Flock Status – August 2012
Whooping Crane Numbers in North America
August 3rd 2012
|
Aransas-Wood Buffalo Population – Estimated Abundance Within the Surveyed Area |
||||||||
|
Adults |
Juveniles |
Total |
95% C.I. |
White Pairs |
Groups |
Date of |
||
|
L.L. |
U.L. |
|||||||
|
Primary Sampling Frame |
214 |
39 |
253 |
198 |
324 |
75 |
25 |
26,27,29-Jan-2012 |
|
Aransas-Wood Buffalo Population – Reported Birds Assumed Outside of Surveyed Area |
||||||||
|
Bayside, TX |
3 |
3 |
12-Feb-12 |
|||||
|
Markham, TX |
1 |
1 |
11-Feb-12 |
|||||
|
Granger Lake, Texas |
6 |
3 |
9 |
11-Feb-12 |
||||
Subtotal A–WB 224 42 266
|
Experimental Populations |
Adults |
Chicks |
Total |
Adult Pairs |
| Florida non-migratory (July 2012) |
20 |
0 |
20 |
8 |
| Louisiana non-migratory (July 2012) |
15 |
0 (A) |
15 |
0 |
| Eastern migratory (July 2012) |
101 |
3 (B) |
104 |
22 |
Subtotal experimental flocks ——— 136 3 139
Totals in wild + experimental flocks = 405
(A) 12-14 chicks are being raised at Patuxent WRC to be transported to and released at White Lake, Louisiana in December, 2012.
(B) Three chicks hatched from wild nests in Wisconsin in 2012 are currently surviving. Thirteen other chicks are being raised and trained for Ultralight and DAR release during late fall/winter of 2012.
| Captive Populations 2012 |
Adults |
Chicks (C) |
Total |
Breeding Pairs |
| Patuxent WRC, Maryland |
74 |
14 |
88 |
10 |
| International Crane Foundation, WI |
33 |
9 |
42 |
10 |
| Devonian Wildl. Cons.Cent./Calgary |
18 |
18 |
3 |
|
| Species Survival Center, Louisiana |
13 |
0 |
13 |
2 |
| Calgary Zoo, Alberta |
2 |
0 |
2 |
0 |
| New Orleans Zoo, Louisiana |
2 |
0 |
2 |
0 |
| San Antonio Zoo, Texas |
7 |
0 |
7 |
2 |
| Homosassa Springs Wildl State Park |
2 |
0 |
2 |
0 |
| Lowry Park Zoo, Tampa, Florida |
2 |
0 |
2 |
0 |
| Jacksonville Zoo, Florida |
2 |
0 |
2 |
0 |
| Milwaukee County Zoo, Wisconsin |
2 |
0 |
2 |
0 |
| National Zoo |
2 |
0 |
2 |
0 |
| Sylvan Heights Waterfowl Park, NC |
1 |
0 |
1 |
0 |
|
Subtotal in Captivity |
160 |
23 |
183 |
27 |
TOTALS (Wild + Captive) = 588
(C) 12-14 chicks are being raised at Patuxent WRC to be transported to and released at White Lake, Louisiana in December, 2012.
