Migratory Connectivity of American Woodcock Using Band Return Data

American woodcock (Scolopax minor) are managed as a Central and an Eastern population in the United States and Canada based on band return data showing little crossover between populations or management regions. The observed proportion of crossover between management regions, however, depends on the...

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Bibliographic Details
Published in:The Journal of wildlife management 2017-08, Vol.81 (6), p.1063-1072
Main Authors: MOORE, JOSEPH D., KREMENTZ, DAVID G.
Format: Article
Language:English
Subjects:
American woodcock
band recovery
Bird migration
Breeding grounds
Breeding seasons
Clustering
Data processing
Habitat Relations
Leg
migratory connectivity
Scolopax minor
Statistical analysis
Wildlife
Wildlife conservation
Wildlife management
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Summary:American woodcock (Scolopax minor) are managed as a Central and an Eastern population in the United States and Canada based on band return data showing little crossover between populations or management regions. The observed proportion of crossover between management regions, however, depends on the criteria used to subset the band return data. We analyzed the amount of crossover between management regions using only band return records that represent complete migrations between the breeding and wintering grounds by using only band return records in which the capture took place during the breeding season and the band recovery took place during the wintering season or vice versa (n=224). Additionally, we applied spatial statistics and a clustering algorithm to investigate woodcock migratory connectivity using this subset of migratory woodcock band return records. Using raw counts, 17.9% of records showed crossover between management regions, a higher proportion than the
ISSN:0022-541X
1937-2817
DOI:10.1002/jwmg.21269