Post-Release Survival of Hand-Reared and Parent-Reared Mississippi Sandhill Cranes

Author:

Ellis David H.1,Gee George F.2,Hereford Scott G.3,Olsen Glenn H.4,Chisolm T. David5,Nicolich Jane M.6,Sullivan Kathleen A.7,Thomas Nancy J.8,Nagendran Meenakshi9,Hatfield Jeff S.10

Affiliation:

1. USGS Patuxent Wildlife Research Center, 12302 Beech Forest Road, Laurel, MD 20708-4022, david_h_ellis@usgs.gov

2. USGS Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD 20708-4041

3. U.S. Fish and Wildlife Service, Mississippi Sandhill Crane National Wildlife Refuge, 7200 Crane Lane, Gautier, MS 39553

4. USGS Patuxent Wildlife Research Center, 12302 Beech Forest Road, Laurel, MD 20708-4022

5. U.S. Fish and Wildlife Service, Southeast Louisiana Refuges, 1010 Gause Boulevard, Building 936, Slidell, LA 70458

6. USGS Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708-4019

7. Florida Game and Fresh Water Fish Commission, 2303-A Simpson Ridge Circle, Kissimmee, FL 34744

8. USGS National Wildlife Health Center, 6006 Schroeder Road, Madison, WI 53711

9. 3452 Vinton Avenue, Los Angeles, CA 90034

10. USGS Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708-4017

Abstract

Abstract The Mississippi Sandhill Crane (Grus canadensis pulla) reintroduction program is the largest crane reintroduction effort in the world. Here we report on a 4-year experiment in which we compared post-release survival rates of 56 hand-reared and 76 parent-reared Mississippi Sandhill Cranes. First-year survival was 80%. Surprisingly, hand-reared cranes survived better than parent-reared birds, and the highest survival rates were for hand-reared juveniles released in mixed cohorts with parent-reared birds. Mixing improved survival most for parent-reared birds released with hand-reared birds. These results demonstrate that hand-rearing can produce birds which survive at least as well as parent-reared birds and that improved survival results from mixing hand-reared and parent-reared birds.

Publisher

Oxford University Press (OUP)

Subject

Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics

Reference36 articles.

1. A new subspecies of Sandhill Cranes from Mississippi.;Aldrich;Proc. Biol. Soc. Wash.,1972

2. Analyzing censored environmental data using survival analysis: single sample techniques.;Blackwood;Environ. Monit. Assess.,1991

3. Official methods of analysis of the Association of Official Analytical Chemists.;Boyer;Metals and other elements at trace levels in foods,1984

4. Potential natural exposure of Mississippi Sandhill Cranes to aflatoxin B1.;Couvillion;J. Wildl. Diseases,1991

5. Experimental release of captive parent-reared greater Sandhill Cranes at Grays Lake Refuge, Idaho.;Drewien;Nat. Audubon Soc.,1982

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