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
with Juveniles

Date of
Estimate/Report

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.