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Title: Determining fine-scale migratory connectivity and habitat selection for a migratory songbird by using new GPS technology

Journal Article · · Journal of Avian Biology
DOI:https://doi.org/10.1111/jav.01091· OSTI ID:1410335
 [1];  [1];  [2];  [1];  [1];  [3];  [4];  [5];  [6]
  1. Univ. of Manitoba, Winnipeg, MB (Canada)
  2. Disney's Animal Programs, Lake Buena Vista, FL (United States)
  3. Purple Martin Conservation Association, Erie, PA (United States)
  4. Pantex Plant, Amarillo, TX (United States)
  5. Mille Lacs Band of Ojibwe, Mille Lacs, MN (United States)
  6. Ellis Bird Farm, Lacombe, AB (Canada)

Migratory aerial insectivores are among the fastest declining avian group, but our understanding of these trends has been limited by poor knowledge of migratory connectivity and the identification of critical habitat across the vast distances they travel annually. Using new, archival GPS loggers, we tracked individual purple martins (Progne subis) from breeding colonies across North America to determine precise (<10m) locations of migratory and overwintering roost locations in South America and to test hypotheses for fine-scale migratory connectivity and habitat use. We discovered weak migratory connectivity at the roost scale, and extensive, fine-scale mixing of birds in the Amazon from distant (>2000 km) breeding sites, with some individuals sharing the same roosting trees. Despite vast tracts of contiguous forest in this region, birds occupied a much more limited habitat, with most (56%) roosts occurring on small habitat islands that were strongly associated with water. Only 17% of these roosts were in current protected areas. As a result, these data reflect a critical advance in our ability to remotely determine precise migratory connectivity and habitat selection across vast spatial scales, enhancing our understanding of population dynamics and enabling more effective conservation of species at risk.

Research Organization:
Pantex Plant (PTX), Amarillo, TX (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
NA0001942
OSTI ID:
1410335
Report Number(s):
PX-2209
Journal Information:
Journal of Avian Biology, Vol. 48, Issue 3; ISSN 0908-8857
Publisher:
Journal of Avian BiologyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 31 works
Citation information provided by
Web of Science

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Cited By (9)

Range‐wide populations of a long‐distance migratory songbird converge during stopover in the tropics journal January 2019
Annual GPS tracking reveals unexpected wintering area in a long-distance migratory songbird journal November 2018
GPS tracking and population genomics suggest itinerant breeding across drastically different habitats in the Phainopepla journal October 2019
Breeding origins and migratory connectivity at a northern roost of Vaux’s Swift, a declining aerial insectivore journal August 2019
Precise direct tracking and remote sensing reveal the use of forest islands as roost sites by Purple Martins during migration journal July 2019
Long‐distance movements and evidence of post‐breeding elevational movements by Cassin’s Vireos journal October 2019
Ten years tracking the migrations of small landbirds: Lessons learned in the golden age of bio-logging journal October 2018
Individual Variability in Migration Timing Can Explain Long-Term, Population-Level Advances in a Songbird journal September 2019
Migration Patterns of Upland Sandpipers in the Western Hemisphere journal November 2019


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