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2010 Eaglet Information Table

Last Updated January 1, 2011

the symbol ~ is used to mean about or approximately; the symbol ≤ is used to mean on or before
times are local time at the nest

If the cam doesn't look into the nest bowl, the hatch date for the first eaglet is based on the behavior of the parents and that of subsequent eaglets is based partly on an assumption of 2-3 days between hatchings and partly on the number of days between sighting of the first chick and sighting of subsequent chicks; nests may only be checked once a week after fledging, so the fledgling may have been around for several days after it was last seen on cam by us.

I use 35 days from the date the egg was laid as a time to begin to look for a hatch; the first egg often hatches 37-39 or even 40 days after it was laid; the middle egg of three is often 36-38 days; and the second of two or third of three is often 35-36 days - but 34-40 days is not unlikely, and 33-41 might be possible.

Please check About the Nests for more information about the history of the various pairs and pictures of the nests.

 
Notes

1st egg likely

Eggs Laid
Hatchings
Fledgings
Last Seen on Cam

Alaska
Haines

Link

early May

 

 

 

British Columbia
Burnaby

no cam -
observations by WillPatt

mid March

British Columbia
Delta 1

no cam

The pair failed in their attempts to build a nest, and ended up laying two eggs on the ground; by the time this nest was discovered by Bev and Ralph from O.W.L., one egg had broken. The second was removed for incubation, but candling showed that while it had been fertile, the embryo had died.

early April
2 eggs laid in late March; 1 broke, the other apparently died after a couple of weeks

 

British Columbia
Delta OWL

Link

A large part of the nest gave way before the start of the nesting season. The pair made some efforts at rebuilting, and some efforts at starting a new nest, but didn't make progress with either and didn't nest.
last half of Feb

British Columbia
Hornby Island

Link

"Phoenix"

Mar 20-28

Mar 20
7:54 pm

Mar 24
seen
6:52 am
possibly laid
~3:00 am

Apr 29
5:53 am
( 36 days - #2)

died
July 14
7:19 pm
(76 days)

cause of death was Acute Aspergillosis, which is a respiratory infection caused by Aspergillus fungi

Link to Hornby Eagles "Our Nature Zone" forum
What Happened to Phoenix

British Columbia
Lafarge

Link

"Tenas Chakchak"

Mar 10

Mar 10

~Mar 13?

~May 16?
reported
Mar 21

one egg lost as of Apr 4

Apr 18
7:11 am
(39 days)

Apr 18
7:56 pm
(~36 days)
seen dead
Apr 23
(4.5 days)

July 16
5:53 am
(89 days)
back by
10:38 am

August 6
10:37 am
(21 days after fledging)

British Columbia
Sidney

Link

"Solo"

Mar 1-22

Mar 4
6:35 pm

Mar 7
7:56 pm

one egg stolen by raven
Apr 5

Apr 11
6:20 am
(38 days
if first egg,
35 days if second

June 30
before 8:00 pm
(80 days)

returned
to nest
July 1
12:59 pm

seen July 20
6:58 am
(cam had major issues)

heard July 21
6:41 am
(from a distance)
(21 days after fledging)

California
Catalina Island
Middle Ranch

no cam

adults K93(M) & A37(F)

banded June 28
K98 (M)

no history

seen
Mar 29

second egg?

May 3
afternoon
(35 days)

July 15
(73 days)

died
July 17

cause of death was likely dehydration; weather was very hot, and he'd been fed a lot of squirrel, which has less water than the usual fish

California
Catalina Island
Pinnacle Rock

no cam

adults K65(M) & K56(F)

banded May 29
K95(F)

Feb 19 - Mar 3

on or before
Feb 19

on or before
Feb 22

one egg lost as of Mar 15

seen
Mar 30
morning
(36 days)

≤ July 6
(98 days /
14 weeks)

California
Catalina Island
Rattlesnake Canyon

no cam

adults K80(M) and K47(F)

banded May 28
K09 (F)
K96 (M)

Feb 20 - Mar 10

Feb 20

~Feb 23

Mar 29
(37 days)

Apr 2
(~38 days)

≤ July 5
(98 days)

≤ July 5
(94 days)

both died
≤ July 7

both found dead under some bushes on July 7 (~14 weeks old, presumably recently fledged)

California
Catalina Island
Seal Rocks

no cam

adults K25(M) & K34(F)

banded May 21
K05(F)

Feb 17 - Mar 5

~Feb 17

on or before
Feb 20

one egg lost as of Mar 15

seen
Mar 26
morning
(37 days)

≤ June 18
(84 days)

California
Catalina Island
Twin Rocks

no cam

adults K33(M) & K17(F)

Feb 19 - Feb 25

on or before
Feb 19

~Feb 22

nest failed

 

 

California
Catalina Island
Two Harbors

Link

adults K81(M) and K82(F)

banded May 23
K04 "Avalon" (F)
K06 "Gabriel" (M)

Feb 17 - Mar 2

Feb 17
6:46 pm

Feb 21
7:00 pm

Mar 27
8:16 am
(38 days)

Mar 28
7:43 pm
(35 days)

June 23
morning
(88 days)

June 23
2:10 pm
(87 days)

 

California
Catalina Island
West End

Link

adults K01(M) & Wray (F)

banded June 10
K08 "Dakota" (M)
K07 "Aquila" (M)

Feb 20 - Mar 14

seen
Mar 8
5:51 am

seen
Mar 12
7:42 am
(cam down)

Apr 14
1:17 pm
(37 days)

Apr 16
7:27 am
(35 days)

≤ July 10
(87 days)

July 11
(86 days)

July 17 - K08's transmitter was sending a mortality signal from the mainland; he might have made it ashore and lost the transmitter, or it may be malfunction, or he may have washed up on a beach

Aug 8 - K07 drowned while trying to fly to the mainland; found by a boater

California
Santa Cruz Island
Baby's Harbor
(aka North Shore or Cueva Valdez pair)

no cam

adults A00(M) & A16(F)

this is their first chick

banded June 16
A72(M)

reported nesting in Apr 11 update

1 egg seen
Apr 20 update

Apr 23
≤ July 9
(~77 days)

California
Santa Cruz Island

Carl/Maggie
(aka Grasslands or Malva Real)

no cam

adults K11(M) & A17(F)

before Mar 3

two eggs,
first on or before Apr 5

failed, only shards in nest on Apr 28

California
Santa Cruz Island
Pelican Harbor

Link

adults K10(M) & K26(F)

banded May 27
A69 "Malik" (M)
A68 "Braveheart" (M)

Feb 24 - Mar 8

Feb 25
5:36 pm

Feb 28
5:52 pm

seen
Apr 3
7:34 am
(37 days)

Apr 5
11:19 am
(36 days)

June 22
5:46 pm
(80 days)
return
June 23
11:16 am

June 28
10:05 am
(84 days)
return
37 min

California
Santa Cruz Island
Sauces

no cam

adults A28(M) & A27(F)

banded June 15-16
A71(M)

early March

Mar 11

~Mar 14?

one did not hatch

~ Apr 20
reported
Apr 22

≤July 1
(~72 days??)

California
Santa Rosa Island
Lopez

no cam

newly discovered nest
adults K36(M) & A43(F)

*the April 13 hatch is the first known eagle chick to hatch on Santa Rosa in 60 years.

A70 (F)
banded June 6

?

appear to be incubating per Apr 10 update
Apr 13*
≤ July 11
(89 days)
(may have fledged much earlier - no GPS 6/25-7/11)

California
Santa Rosa Island
Trap Canyon

no cam

adults A08(M) & A22(F)

nest found May 11 and chick appeared older than Pelican Harbor pair, so I arbitrarily picked April 1 as a possible hatch date

A67(M)
banded May 17

early March

nest not found until May 11
~Apr 1
~June 15
(~11 weeks)

California
Turtle Bay
CalTrans

Link

adults Patriot (M) & Liberty (F)

"Peace"
"Shasta"
"Justice"

Feb 6 - Feb 15

Feb 15
4:15 pm

Feb 18
4:32 pm

Feb 21
6:45 pm

Mar 25
7:22 pm
(38 days)

Mar 26
6:05 pm
(36 days)

Mar 29
8:55 am
(36 days)

June 11
(78 days)

June 18
(84 days)

~June 21
(84 days)

2 on cam July 7, 1 July 8

all three were in the area July 9,
one was seen July 14

(camera turned off mid-July)

Colorado
Fort St. Vrain

Link

 

Feb 14 - Mar 6

Feb 14
~6 pm

Feb 17
~6 pm

Mar 25
~9:38 am
(39 days)

seen
Mar 26
7:50 am
(37 days)

both by
June 11
(77-78 days)
(likely sooner)

cam off July 15

both seen that day

Iowa
Decorah

Link

Feb 25 - Mar 2

Feb 25
7:26 pm

Feb 28
11:13 pm

Mar 5
6:50 pm

Apr 3
7:33 pm
(37 days)

Apr 5
4:11 pm
(36 days)

Apr 10
8:34 am
(36 days)

~June 23
79 days - #2

≤June 26
77 days - #3

maybe
≤June 28

cam off July 7

all three seen that day

Maine I
Hancock County

Link

Mar 5 - 8
did not nest

Maine II
Central Maine

Link

Mar 8 - Mar 31

Mar 8
4:06 pm

seen
Mar 12
6:02 am
(probably
Mar 11
6:07 pm)

Apr 15
5:53 am
(38 days)

Apr 16
3:36 pm
(36 days)

June 30
6:36 am
(75 days)

June 30
6:36 am
(76 days)

returned
to nest
morning of
July 1

cam stopped working July 18
(had been quite haphazard for a while)

both seen July 17

Maryland
Blackwater Refuge

Link

named April 27
Avis (likely F)
Aquila (likely M)
Jan 20 - 30

Jan 20
~ 4:00 pm

Jan 23
3:42 pm

Feb 26
5:28 pm
(37 days)

Feb 28
seen 6:16 am
(36 days)

May 21
(84 days)

May 22
(83 days)

both - June 22

one - June 25

cam had problems shortly thereafter
off-line June 27

Massachusetts
Barton's Cove

no cam

no cam - info based on site visits and banding day report

one banded, May 13
6.8 lbs, est 5-6 weeks old
(one dead chick removed)

Feb 28 - Mar 6
incubation observed Mar 20

est hatch
Apr 1 - 8

(feeding obs Apr 20;
2 chicks obs Apr 21)

≤July 11

Montana
Libby Dam

Link

Mar 16 -Mar 19

Mar 18
~7:45 pm

seen
Mar 22
7:54 am
(didn't hatch)

Apr 25
3:53 pm
(38 days)

July 15
~9:00 am
(81 days)
July 15
~9:00 am
(cam off July 28)

New Jersey
Duke Farms

Link

banded ?date?
green band on right (F)
green band on left (F)

late Feb

two eggs
~Feb 20
(before cam)

seen
Mar 27
12:45 pm

seen
Mar 28
8:15 am

June 21
5:25 am
(86 days)

June 20
6:39 am
(84 days)

both return
to nest
June 23

June 30
both in nest in morning
cam down in the afternoon

North Carolina
Carolina Raptor Center

Link

adults Derek (M) and Savannah (F)
(both non-releasable)

"Noah"

Their nest box is insulated - but it is on the ground, and they got 3-4 inches of snow the night before the second egg hatched.

Moved to hacking tower March 27 (43 days old)

Transmitter attached
April 17 (64 days old)

Jan 5-25

seen
Jan 5

~ Jan 8

~ Jan 11
(only two eggs seen in nest
as of Feb 11)

Feb 12
7:45 am
(38 days)

Feb 13
11:45 am
(36 days)
(apparently died shortly after hatch)

May 7
1:47 pm
(84 days/
12 weeks)

Noah apparently stayed in the area for a few days, then headed north within a week or so. CRC reported May 19 that she was in Virginia, in an area frequented by other eagles (good for learning how to hunt and scavange).

Oklahoma
Sooner Lake

Link

Moved to a new nest for 2010; cam was moved as well

new nest is former hawk nest

it was very windy when the 2-day old chick crawled through a hole at the edge of the nest; it's possible the chick was partially blown to that area as chicks that young rarely move about the nest

older eaglet was beginning to stand upright and likely lost its balance and stepped over the edge while trying to regain it

Feb 1 - Feb 18

~Feb 18

~Feb 21

~Feb 24

3rd egg did not hatch

seen
Mar 28
7:16 am
(~38 days)
died May 3
fell from nest and died

Mar 30
4:42 pm
(~37 days)
Apr 1
fell from nest and died

 

Oregon
Deschutes

Link

adults Cascade (M) and Lady Odell (F)

there were a series of bad snowstorms during the incubation period; the eagles kept the nestbowl free of snow, but I don't know if they could keep the eggs warm enough or turn them for even heat distribution

Mar 24 - Apr 19

Mar 24
8:10 pm

Mar 27
9:31 pm

did not hatch

Tennessee
Pigeon Forge

Link

adults Justice (M) and Liberty (F)
(both non-releasable)

see Note re eggs below

Apr 1-3

2 eggs
both non-fertile

fostered:

~ Apr 11

~ Apr 11

2 released from tower July 27 - not sure if same two

Virginia
Norfolk
Botanical Garden

Link

banded Mar 31
NC - 2.5 lb - 20 days
ND - 2 lb - 18 days
NE - 1.75 lb - 17 days

#3 was too small to band and #2 lost its bands; not sure if they'll have the same numbers in the end

re-banded May 5
NC (M) - 8+ lbs - 55 days
ND (M) - 7.25 lb - 53 days
NE (M) - 7.50 lb - 52 days

NC also fitted for GPS transmitter and named Camellia

Jan 31 - Feb 10

Jan 31
2:14 pm

Feb 3
11:50 am

Feb 6
12:29 pm

Mar 11
1:10 pm
(39 days)

~Mar 13
12:01 am
(37.5 days)

~Mar 14
12:01 am
(35.5 days)

May 27
8:09 pm
(77 days)

May 29
6:52 am
(77 days)

May 31
12:36 pm
(78 days)

June 30
cam down
all 3 eaglets still around

Washington
Lake Washington

Link

late March

Mar 16
late afternoon

seen
Apr 22
7:22 am
(37 days)

seen
Apr 24
7:45 am
(~36 days)

~July 13
(82 days)

~July 14
(81 days)

Aug 8
both seen - 11 am

West Virginia
NCTC
Shepherdstown

Link

adults Liberty (M) and Belle (F)

Major snowstorm
(2-3 ft of snow)
Feb 5-6

Second snowstorm
(another foot of snow)
Feb 9

Jan 31 - Feb 12

Feb 2
10:15 pm

Feb 6
2:12 pm
(first two eggs lost in blizzard)

Feb 9
5:46 pm
(only one egg seen after Feb 23)

Feb 13
2:42 pm

Mar 21
3:48 pm
(36 days)

June 14
7:24 am
(85 days)

returned
to nest
June 16
7:27 pm

July 15
7 am

South African Black Eagles

Johannesburg

Link

July 26-27
the eaglet was banded and given wing tags; one of the adults apparently was upset by the either the band or the wing tags and attacked the chick, breaking its leg in the process; the chick was removed for rehab, and a decision was made to not band/tag chicks at this nest in the future

April 9

April 12

second egg
did not hatch

May 24
3:47 pm
(44 days)

NOTES

"Pigeon Forge, TN, April 14, 2010 -- Two Bald Eaglets recently hatched in an incubator at the American Eagle Foundation's United States Eagle Center at Dollywood in Pigeon Forge, TN. At 3-days old, the eagle chicks were placed in the nest of captive non-releasable Bald Eagle pair "Liberty" and "Justice" for adoptive rearing until they reach 6 weeks of age. At that time, the eaglets will be placed into an artificial nesting tower over-looking Douglas Lake in Dandridge, TN, where they will be cared for by AEF staff until they are released into the foothills of the Great Smokies at 12 weeks of age (when they reach full size)." - from the American Eagle Foundation website

 

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