Bluebird feeding - seasons (Part 2)
In addition to Messages that have appeared in the Bluebird Mailing Lists
on this topic, the following are on the Audubon Society of Omaha website:
Date: Tue, 18 Dec 2001 08:39:27 -0800 (PST)
From: The Doctor sytyf"at"yahoo.com
Subject: Different strokes
To: BLUEBIRD BLUEBIRD-L"at"cornell.edu
Hello friends,
First of all, I wish the best to all of you and your's this Holiday Season and
in the future.
Secondly, a quick comment about my observations about feeding habits of the
EABL.
I'll start with the feeders in Indiana. Location: wooded, surrounded by both the
Hoosier National and the Jackson County forests. The blues have alot of
competition for the mealies; Chickadees. Nuthatches, Cardinals, Tufted Titmouse,
Woodpeckers and even Gold finches compete for the filet mignon of insects. When
I whistle, the Blues are all perched in trees nearby the feeders usually in less
than 2 minutes. I will stand by the feeders until the Blues get there fill. The
Blues are not intimidated by my presence at all. It seems that I can put out
mealies anytime of the day regardless of the weather and the Blueswill come to
enjoy.
The feeders in Illinois: the feeders are filled once per day usually at night.
Location: farmland; small patch of woods about 1/2 mile away, no extensive
woodlands within a 1 mile radius. Virtually NO non-Bluebird competition for
mealworms. Whereas the nesting Blues responded to my whistle this past Summer
only Max, my neighbor's yellow lab, can hear me now ( I don't feed Max mealies
but dog food). The Blues show up as early as 7:15 AM and as late as 10:15 AM
depending on the weather. To my surprise, the colder the temperature the later
in the morning they arrive. They hang around for about 45 minutes each time then
depart.
Since nesting season was completed, the Blues have never returned for a
second feeding in the same day. I'm not sure what my point is. Maybe that there
are no written rules and even if there were, birds can't read.
I have been extremely fortunate with Blues. If success with cavity nesters is
a function of supply and demand for nesting sites, I have been blessed with high
demand.
This year, I am working towards adding another 20 nest boxes ( most in Illinois
) and mentoring 2 more first time birders.
Have a good day Bob Sitarski
Jackson County Indiana and Clay County Illinois
Date: Sat, 5 Jan 2002 11:57:11 -0800 (PST)
From: The Doctor sytyf"at"yahoo.com
Subject: winter season mealworm feeding versus migration
To: BLUEBIRD BLUEBIRD-L"at"cornell.edu
Hello friends,
The weather has sure turned cold. Single digits at night and low 20's during
the day. I feed mealworms to the EABL in two totally different areas. In fact,
many of you know that I now provide mealworms to Blues daily in two different
states. My biggest concern with winter feeding the Blues is keeping the birds
from migrating if migration is what they normally do. In Illinois, an area of
wide open farmland, the mealworms have gone untouched for 3 days now. Through
the end of December, 7 EABL's had shown up once per day....everyday. Meanwhile
150 miles away in Indiana, an area heavy with woods and forest, the number of
EABL's at the feeders has fallen by about 50% (from 20-24 to consistantly 7-12).
It seems that winter feeding does not keep the Blues from their migration to
find sufficient food supplies.
Bob Sitarski
Jackson County, Indiana & Clay County Illinois
From: "Lee & Jim Johnson" mybuffy1"at"mindspring.com
To: sytyf"at"yahoo.com, "BLUEBIRD" BLUEBIRD-L"at"cornell.edu
Subject: Re: winter season mealworm feeding versus migration
Date: Sun, 6 Jan 2002 07:28:52 -0600
I agree; feeding mealworms has certainly not kept my male and female around
this year, versus migrating, or leaving for some other rich-in-food environment.
With the time change, they always came for their morning feeding of mealworms
later and later each day, based on the sun. When they came for their late
afternoon feeding, (which used to be at 4:00p.m.), and because of the time
changed to 3:00 p.m., the worms weren't there--I was still at work. At that
point, they started coming less and less. My last sighting of the male was on
December 8. I had been putting mealworms in the feeder box several days before
that, only to notice they hadn't been touched for days before their
disappearance. It wasn't too long after that, our temps. dropped to 9 degrees in
the mornings and didn't get out of the 20's during the day, for about a week or
so.
This is not to say they won't be back within a few weeks. I'm not sure they
have migrated this late; I suspect they have just gone to a more-abundant food
source. I used to worry and fret about them, but have come to learn they are
very, very, smart and no matter what we do to try to get them to stay; if
everything is not suitable to them, they leave for what they need and want.
Although I miss them, I still look at the feeder everytime I go past my
backdoor. I know it won't be long, possibly only a month, before I see them with
their unmistakable beauty and charm that only they possess!
Lee in Missouri!
----- Original Message -----
From: The Doctor
To: BLUEBIRD
Sent: Saturday, January 05, 2002 1:57 PM
Subject: winter season mealworm feeding versus migration
...
From: "carol fitzpatrick" gdfitzmich"at"msn.com
To: BLUEBIRD-L"at"cornell.edu
Subject: winter feeding
Date: Sat, 27 Jul 2002 22:41:57 -0400
Susan,
I've never had a bluebird eat out of my hand, but I've heard about it. I too
feed mealworms to the bluebirds in my yard which is already unnatural enough as
it is, so I don't really want them to become any tamer than t hey already are. I
feed mealworms until the weather is warmer here in Michigan ( beginning of June)
and there are more bugs around. As they say, "It's a cruel world out there", and
I know the environment I am providing isn't really the way it is in a true
natural setting.20 But as Julie Zickefoose said in "Enjoying Bluebirds
More"...."Bluebirds not only delight us, they seem by their very presence to
appeal for our help...We just want to find a way to make them stay around us,
because they make us feel good...We love them because they let us help them".
Well, maybe it is a "ME" thing, I don't know, but let's just say I like t hem to
stay here in the winter too because at least I know they're not out there
starving somewhere. So I make a bluebird mix which is a real life-saver here not
only for bluebirds, but for other cavity nesting birds such as chickadees. I got
the recipe from a publication called Nature Society News. Starting in November,
I mix: 3 cups yellow corn meal, 1 cup flour, 8 oz. ( + or - ) lard melted in
microwave, 1 cup (not-instant) oatmeal, 1 cup sunflower chips, 1 cup Sun Maid
currants, 1/2 cup sugar, and 1 cup peanut butter. Use a REAL BIG bowl. Mix it
all together and the consistency should be just so that there are small lumps
and the currants are covered with mix. If it is too greasy add a little more
corn meal.20 It's nutritional and the blues readily eat it. So have I. It smells
really good. In early spring during cold spells, I have seen the blues cart the
small pieces off to their nest box presumably feeding it to their babies when
there is nothing else for them to eat. It keeps them alive. I put it inside a
bluebird feeder with 1 1/2" holes on both ends so they c an enter and exit
easily. This keeps out starlings. The sides are clear Lexan glass with little
XXXX's marked on it so they don't feel trapped. I saw a cedar bluebird feeder at
Lowes for $19.88 but I make large quantities and needed something bigger so we
made one out of a plastic rural mail box and cut out the sides and installed the
Lexan windows, then drilled the holes on each end. Then we installed it on top
of a 3/4" metal conduit pole with a flange about 5' off the ground. Of course we
also had to keep out the climbing critters like squirrels and raccoons so we
drilled a hole through the conduit and stuck a 3" drywall screw through it, then
let a 5" stove pipe baffle with end cap rest on the drywall screw. It cost about
$10 to make. Well I hope this info helps you. Good luck! Carol Fitz Oxford,
Michigan
From: "carol fitzpatrick" gdfitzmich"at"msn.com
To: BLUEBIRD-L"at"cornell.edu
Subject: winter feeding
Date: Sat, 27 Jul 2002 22:54:37 -0400
Susan, If you want to simplify winter feeding, I know that bluebirds will eat
currants and sunflower chips alone without all of the other stuff I mix with
them. And yes they do eat suet also but you will have to get a bluebird feeder
or the starlings will decimate it in seconds. Carol Fitz
From: "Karen Harder" karenh"at"praxisworks.org
To: beabud"at"comcast.net, Bluebird-L"at"cornell.edu
Subject: Re: mealworms
Date: Tue, 26 Nov 2002 14:12:02 -0500
Bea, if you ever get any private answers to your question about Roasted
Mealworms, I hope you'll let all of us on the List see the answers. I'm also
very curious about them and suspect others might be, as well. Thanks.
Karen Harder--Cape Porpoise, Maine
----- Original Message -----
From: beabud"at"comcast.net
To: Bluebird-L"at"cornell.edu
Sent: Monday, November 25, 2002 7:25 PM
Subject: mealworms
Has anyone used ROASTED MEALWORMS for the bluebirds????
Bea in Bethel
From: "suziq" lghughes"at"
joink.com
To: "BLUEBIRD-L" bluebird-L"at"cornell.edu
Subject:
Date: Tue, 26 Nov 2002 15:22:21 -0600
Nature
Hi, and a very happy holiday to you all!!!!
I flash froze a tray of mealies, and will let you know in the spring how the
Bluebirds like them , I never heard of roasted ones--if any one else is
experimenting with freezing them, let us know.
Loren Hughes--Pres. ECIBS
1234 Tucker Beach Rd
Paris,IL 61944
217-463-7175
E-mail-- lghughes"at"
joink.com
From: "Stan, Apple Valley/St. Paul, MN [44.444N & 93.101W]"
stan1bb"at"frontiernet.net
To: "BB" BLUEBIRD-L"at"cornell.edu
Subject: Re: roasted mealworms
Date: Tue, 26 Nov 2002 20:23:46 -0600
Hello EveryBIRDie!
Our local Wild Birds Unlimited not only has mealworms, but also roasted
mealworms. As for having mealworms available for emergencies, "scope out" your
local area in advance of needing them. And, if ordering mealworms, "overnight"
shipping would be available, for a "price!"
Happy birding!
Stan
Date: Tue, 26 Nov 2002 20:47:32 -0600
From: Norma Zier karon"at"discoverynet.com
To: karenh"at"praxisworks.org
CC: beabud"at"comcast.net, Bluebird-L"at"cornell.edu
Subject: Re: mealworms
I just privately answered Bea. The ones I get are, I think, dehydrated
waxworms. I get them from garden supply and think there is 1500 in a bag.
Norma Zier
Karen Harder wrote:
Bea, if you ever get any private answers to your question about
...
From: Lynn Ward lWard"at"pmai.org
To: "'Karen Harder'" karenh"at"praxisworks.org, Bluebird-L"at"cornell.edu
Subject: RE: roasted mealworms
Date: Wed, 27 Nov 2002 08:52:07 -0500
Karen,
Every year I keep mealworms indefinitely in the refrigerator. Late in the
summer, I am usually left with too many to throw out. From about August through
December, they're kept in a Tupperware-type container in yellow corn meal.
(Holes are drilled in the lid for ventilation.) I then take them out once a
week for about a day and throw in apple or potato slices or lettuce and let them
feed. In early January (or depending on the weather), the bluebirds come back to
their outside feeder - I think by then, food sources such as berries, etc. out
in the wooded areas become a bit depleted. I then start mealworm feeding again.
I have found this an easy way to always have mealworms on hand without them
developing into beetles. I tried raising them, but it was too much hassle. This
method also helps during the nesting season when you purchase large quantities
of mealworms. I fill a smaller container once a week for feeding and the rest
are kept stored in the refrigerator.
Just a suggestion!
Lynn Ward
Parma, Michigan
-----Original Message-----
From: Karen Harder [mailto:karenh"at"praxisworks.org]
Sent: Tuesday, November 26, 2002 4:20 PM
To: blueburd"at"tds.net; MTalentino"at"OFFICEMAX.com; Bluebird-L"at"cornell.edu
Subject: Re: roasted mealworms
...
From: "Karen Harder" karenh"at"praxisworks.org
To: "Lynn Ward" lWard"at"pmai.org, Bluebird-L"at"cornell.edu
Subject: Re: roasted mealworms
Date: Wed, 27 Nov 2002 12:13:03 -0500
Thanks to all of you who sent helpful suggestions and shared how you manage
your mealies, grub, dehydrated waxworms, and other Bluebird goodies. Nice fat,
wiggly mealworms are of course first choice, and if I can find enough space in
the fridge, that's what I'll get. For the sake of that space and my convenience,
I was just hoping to find an almost-as-good second choice.
What you've described here, Lynn, is exactly what I did last May-June, right
down to the plastic shoe box with holes in the lid and the cornmeal and apple. I
just was hoping to find a solution that wouldn't require getting a bigger
refrigerator! Maybe I shouldn't try to be economical next time -- last time I
got 5,000 mealworms because it was such a much better deal that way, and because
I hoped the Blues would stay around all summer, which they didn't.
Karen Harder--Cape Porpoise, Maine
----- Original Message -----
From: "Lynn Ward" lWard"at"pmai.org
To: "'Karen Harder'" karenh"at"praxisworks.org; Bluebird-L"at"cornell.edu
Sent: Wednesday, November 27, 2002 8:52 AM
Subject: RE: roasted mealworms
...
From: "Burt & Ruby Bates" burt"at"arkansas.net
To: BLUEBIRD-L"at"cornell.edu
Subject: Bluebird Food
Date: Fri, 13 Dec 2002 13:38:18 -0600
I have heard that you can feed Bluebirds dog food in the winter. My question
is - what kind, canned, dry, etc?
Ruby B.
From: "Dottie, Hickory Hollow, Brown County, Indiana"
yumyumkatts"at"voyager.net
To: "Burt & Ruby Bates" burt"at"arkansas.net, BLUEBIRD-L"at"cornell.edu
Subject: Re: Bluebird Food
Date: Fri, 13 Dec 2002 19:17:46 -0500
What my dogs don't eat, which includes a mixture of both dry (3 different
kinds) and wet dog food, I put out for whomever wants to help themselves. I
have crows, bluejays, turkey vultures and other birds come and feast but I have
never seen a bluebird feeding.
Dottie, Hickory Hollow
Brown County, Indiana
(50 miles south of Indianapolis)
Lat: 39.371N Lon: 86.261W Zone 5 Elevation: 680 ft
----- Original Message -----
From: Burt & Ruby Bates
To: BLUEBIRD-L"at"cornell.edu
Sent: Friday, December 13, 2002 2:38 PM
Subject: Bluebird Food
...
From: beabud"at"comcast.net
Date: Fri, 13 Dec 2002 19:49:15 -0500
Subject: Re: Bluebird Food
To: bluebird-L"at"cornell.edu
Cc: Burt & Ruby Bates burt"at"arkansas.net, BLUEBIRD-L"at"cornell.edu
Here in the East Connecticut my blues are still here. I feed them softened
sliced raisens and take peanut suet and cut in up into fine pieces and i just
got some roasted mealworms which i feel are useless/Its like their insides are
gone and all you have is the shell. Seems they love the raisens and suet. Still
testing the roasted mealworms, but if i was a bluebird. i think not. I will only
settle for the best... Bea in Bethel
On Friday, December 13, 2002, at 07:17 PM, Dottie, Hickory Hollow, Brown
County, Indiana wrote:
What my dogs don't eat, which includes a mixture of both dry (3
...
Date: Fri, 13 Dec 2002 21:21:17 -0600
From: Norma Zier karon"at"discoverynet.com
To: BLUEBIRD-L BLUEBIRD-L"at"cornell.edu
Subject: re:Bluebirds.
I do not have bluebirds at my feeders but a couple of years ago, during some
cold snowy weather there were 4 that came to a feeder and ate sunflower chips. I
put some mealworms out but the ignored them and stayed with the chips.
Norma Zier
Indep Mo
From: "Mr Tony" mrtony8"at"mchsi.com
To: yumyumkatts"at"voyager.net, "Burt & Ruby Bates" burt"at"arkansas.net,
BLUEBIRD-L"at"cornell.edu
Subject: Re: Bluebird Food
Date: Sat, 14 Dec 2002 05:47:45 -0600
What my dogs don't eat, which includes a mixture of both dry (3 different
kinds) and wet dog food, I put out for whomever wants to help
themselves
what a great recipe. I used to do this, and fed foxes, 'coons, armadillos,
dogs, cats, and just about anything that walks or crawls. Neighbors finally
said NO to me. Rats eat too. Phil Berry
----- Original Message -----
From: Dottie, Hickory Hollow, Brown County, Indiana
To: Burt & Ruby Bates ; BLUEBIRD-L"at"cornell.edu
Sent: Friday, December 13, 2002 6:17 PM
Subject: Re: Bluebird Food
...
From: "Paula"
Subject: Fall/Winter Feeding (cont'd)
Date: Thu, 16 Oct 2003
On Monday, there were 4. On Tuesday, there were 6. Wednesday, there were 8.
Wednesday morning, I had 6 BB's at front feeder and 2 in the back. I love it! As
the leaves disappear from the trees, so too the territorial disputes of the
bluebirds and they are flocking to the feeders. The really rewarding/interesting
thing about watching the birds at the feeder is that the superiority of the
bluebird due to his/her size is evident here - not the disadvantage we see when
they are sitting ducks in the nest box. The sparrows dart in like a cat trying
to steal a morsel from a dog's dish. The bluebirds, especially the males, chase
them. I had a male with wings out and beak open giving those sparrows what for
yesterday - made me laugh.
Later in the winter (none so far), I will likely have problems with EUST at
the feeder and they will threaten and thwart the bluebirds from eating due to
their superior size as well. That is why my husband purchased a site for my BB
gun last year. I had a stubborn EUST perched on top of the feeder, intent on
keeping all other birds from eating. Alas (word chosen due to Shakespearean
origin of said critter), he is no longer with us.
Paula Z Powell (Central) Ohio
From: "Larry A Broadbent"
rockets"at"mnsi.net
Subject: Feeding Bluebirds in Winter
Date: Wed, 8 Oct 2003 16:15:40 -0400
Dear list members, I know a lot of you are active in providing bird feeders
for your Bluebirds, and other birds through the Fall and Winter. I also know of
the many on the list that think feeding birds is a real NO NO. And I respect
your positions on this. There are pro's and con's on both side of this topic.
I feed my birds on a regular basis. But I am very selective of the types of
seed and the feeders I put out for the birds... For those of you that don't
already have this book, I highly recommend it. A Cornell Bird Library Guide -
The FeederWatcher's Guide to Bird Feeding
http://birds.cornell.edu/feeder_guide.html
And you might want to check out the excellent information on bird feeding at
Cornell's Project Feeder Watch
http://www.birds.cornell.edu/pfw/Overview/over_index.html
...
Larry A Broadbent Chatham, Ontario Canada
From: Gary Springer, springer"at"alltel.net
Sent: Sunday, December 28,
2003 8:48 AM
Subject: Wintering Eastern Bluebirds/Insects
It has long been noticed that the Eastern Bluebirds' summer habitat is much
different than its winter habitat. In summer the preferred habitat of this
bird is one of thin or short vegetative ground cover in open areas with perches
from which they can hunt insects.
In winter the Eastern Bluebird is seldom
found in this preferred summer habitat. They instead spend much of their
winter in the forests. The reason most often given for this move to the forest
is that the forest provides fruits and berries that persist into late winter
which are not obtainable in open grassy areas. But, my recent observations
of this bird lead me to believe there is more to this shift of habitat from
open grassy areas to the forest. A major portion of the diet of the Eastern
Bluebird is insects. And, the forest offers more insects during winter than
do open areas with thin or short vegetative ground cover such as mowed grass.
During winter, the blanket of leaves covering the forest floor protects insects
by holding heat from the ground. And, the loose humus below the leaves provides
a medium through which the insects can easily move in search of warmth.
Finally,
when the bright sun shines on the surface of the leaf covered forest floor,
the temperature on top of the leaves rises rapidly causing insects to rise
from under the blanket of leaves to the surface making available to the
Eastern Bluebird its preferred diet, insects.
Gary Springer
From: Maynard R
Sumner, m-r-sumner"at"juno.com
Sent: Sunday, December 28, 2003 10:15
PM
Subject: Re: Wintering Eastern Bluebirds/Insects
Gary, you are right. That is the way it works. I have a lot of bluebirds
in my woods and on sunny days they will come up to my house to eat suet.
Maynard Sumner Flint, MI
From: Lawrence Herbert, lherbert"at"4state.com
Sent: Monday, December
29, 2003 5:04 AM
Subject: EABL - Joplin MO
A total of 136 Eastern
Bluebirds were noted on two areas of the Joplin, MO., Christmas Bird Count,
on Dec. 27, 2003. All of these birds were found on either open "EABL habitat" or
woodland edge. I say that safely because we do not have any "forests" in our
CBC circle. So, if anyone feels that EABL spend the winter in forests, then
they may have to define "forests." Maybe they do elsewhere..... Just wondering.
Good birding, Larry H. Joplin MO. Lawrence Herbert
From: Haleya Priest, mablue"at"gis.net
Sent: Wednesday, January 07,
2004 10:00 PM
Subject: Ice storm and BBs
I watched bluebirds in my yard for a very very short time after our latest
ice storm. I'd say we had 1/8-1/4" ice covering everything. Low and behold
- I watched 2 berries being taken off our little MT Ash tree. One berry slipped
out of the bluebird's mouth, but the second berry was gulped whole - ice
and all. SO - I know ice storms can be deadly, but it was helpful for me
to see that at least in THIS case, with this small amount of ice, they could
still eat. Have others witnessed this??? :-) Haleya Priest Amherst
MA
From: Evelyn
Cooper, emcooper"at"bayou.com
Sent: Wednesday, January 07, 2004
9:59 PM
Subject: RE: Ice storm and BBs
Did
you put out mealworms? I feed raisins and crunchy peanut butter with oatmeal
and they were coming and going to the feeder all day. I noticed my bluebirds
around the birdbath, and I think they were telling me I needed to put
some water in it, so I did. On sunny days, it really evaporates. Let's do all
we can to help the ones that have stayed with us. The wind chill factor
was 14* this a.m. here. That is pretty cold to us, especially since it was
80* a few days ago. (Had the air conditioner on)
Evelyn Cooper Delhi, LA.
Louisiana Bayou Bluebird Society www.labayoubluebirdsociety.org Member NABS
From: Judy Carver, njcarver"at"siu.edu
Sent: Thursday, January 08, 2004
10:38 AM
Subject: Ice
storm and BB's
About 3 years ago we had a bad ice storm...absolutely everything
was coated with ice. At that time no bbs had ever nested in my yard, although
I had been trying to attract them with a nestbox for some time. I would see
a few flashes of blue in April or May, and that was it for the year.
During
the ice storm, we suddenly had a yard full of bluebirds and robins. They
were eating something in the woods along the border of our yard, which was
full of Japanese Honeysuckle at that time (does this have a fruit that bbs
will eat?). Whatever they were eating must have had a pretty thick layer
of ice on it, because everything did. The robins were even coming up onto our
porch to eat the berries off of holly branches that were sent to us at Christmastime
from relatives. Some of the holly was in a paper bag, and the birds were
even climbing into the bag to get the berries.
Judy Carver Carbondale, Il.
From: "Anne-Marie Palermino"
Subject:
Re: Ice storm and BBs
Date: Thu, 15:46 AM
Mountain Ash, bittersweet and
American Holy that I planted are still too young to bear berries. I feed
my EABL's and other cavity nesters my >version of bluebird banquet and when
I come at night, everything is gone.
My patrons have been busy. I found
that EABL's love zante currents. At first they did not know what it was
but it it did not take them long. I don't have too many starlings yet.
I just keep my fingers crossed. Last year, I did not feed the EABL's in
winter but they survived a bitterly cold one. I assume they survived on
the wild bittersweet that is not too far from where I live.
Anne-Marie, Lincoln, RI
From: Haleya Priest, mablue"at"gis.net
Sent: Thursday, January 08, 2004
3:17 PM
Subject:
Re: Ice storm and BBs
I have the dwarf variety of
Mt Ash. It started producing in the 2nd or 3rd year we planted it. However,
I think these are very susceptible to disease as a few down the road recently
died. :-)
Haleya Priest Amherst MA ...
From: Haleya Priest
Sent: Saturday, January 10, 2004
9:24 AM
Re: Ice storm and BBs
Yes, I just saw one [robin] yesterday. Apparently - as the
bluebirds - the winters have been more mild over the last decade or so and
so our feathered friends are sticking around more. We'll see what happens
with the impact of global warming over the next several years. I think many
of our feathered friends are confused by the weather. I notice some of my blues
nest at their normal times and some nest later. Either way can spell trouble
with the unpredictable weather! :-)
Haleya Priest Amherst MA
rom: Keith & Sandy Kridler [mailto:txbluebirder"at"sbcglobal.net]
Sent: Saturday, July 03, 2004 10:20 AM
Subject: Re:Dead babies in nest Keith Kridler Mt. Pleasant, Texas
On our trails it is very unusual to see signs of berries being fed to nestlings. We also have blackberries, blueberries and mulberries ripe now but I see no signs of any blue stains in any of the nestboxes this year. This sounds to me like the adults failed as parents and have switched to the fast food berries and lack of protein found in insects has led to this last baby bird being VERY far behind in physical development! If these adults don't know enough to feed their young the proper diet then they may lack the skills to keep fledglings safe or will pass on these inferior skills to their young. Survival of a species depends on the majority of the individuals passing on everything their young need to know in a very short time! Giving youngsters the wrong diet that will create physical problems later in life is more of a problem in the Human species than in bluebirds. It is a shame that this nestbox was not monitored with a camera during this entire nesting to see what and how much the young birds were fed! Even if this young bird fledges or is helped out of the nestbox I doubt that it's muscle, bone or nerves are well enough formed to let it survive in a world filled with predators!KK
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