Migration routes and stepping stones along the western flyway of Lesser White-fronted Geese (Anser erythropus)

In 2015 and 2016 four Lesser White-fronted Geese ( Anser erythropus ), a globally threatened species, were caught and tagged during spring migration representing nearly 10% of the entire Swedish breeding population at the time. Two of the birds were followed over more than one season. Tracking data...

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Bibliographic Details
Published in:Bird Conservation International
Main Authors: Kruckenberg, Helmut, Moonen, Sander, Kölzsch, Andrea, Liljebäck, Niklas, Müskens, Gerhard J. D. M.
Format: Article in Journal/Newspaper
Language:English
Published: 2023
Subjects:
Brownian bridge
dBBMM
Endangered species
Flyway model
GPS
Migration routes
Scandinavia
Tracking
ddc:570
Stepping Stones
Anser erythropus
Online Access:http://nbn-resolving.de/urn:nbn:de:bsz:352-2-wtsgvuuaq30o9
https://doi.org/10.1017/s0959270922000478
Description
Summary:In 2015 and 2016 four Lesser White-fronted Geese ( Anser erythropus ), a globally threatened species, were caught and tagged during spring migration representing nearly 10% of the entire Swedish breeding population at the time. Two of the birds were followed over more than one season. Tracking data revealed an unexpected wide network of migration corridors and staging sites. Autumn and spring migration differed by stepping-stone sites and migration speed. So far unknown key stopover sites were discovered in Denmark, northern Germany, and Sweden. By using dynamic Brownian bridge movement models, the potential areas that Lesser White-fronted Geese used during migration are described and conservation implications spotlighted. This study provides another important piece of the puzzle describing the migration of Lesser White-fronted Geese in Western Europe. published

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