Journal
MARINE ORNITHOLOGY
Volume 50, Issue 2, Pages 125-127Publisher
AFRICAN SEABIRD GROUP
Keywords
GPS-tracking; Leach's Storm Petrel; seabird; Townsend's Storm Petrel; California; Baja California
Categories
Funding
- Neotropical Birding Conservation Award
- Agencia Nacional de Investigacion y Desarrollo de Chile (ANID)/DoctoradoBecasChile [2019-72200117]
- Ministerio de Economia, Industria y Competitividad de Espana [CGL2016-78530-R]
- ICREA Academia
- Marisla Foundation
- National Fish and Wildlife Foundation
- Packard Foundation
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This study describes, for the first time, the at-sea distribution of breeding Ainley's Storm Petrels using GPS tracking. The findings reveal that these birds primarily visit waters in the eastern North Pacific between central Baja California, Mexico and southern Alta California, USA. These findings expand the existing knowledge of the species' range.
Acquiring basic knowledge such as at-sea distribution is often difficult for cryptic seabird species. Northern storm petrels (Hydrobatidae) are one family of seabirds that includes several cryptic species, including Ainley's Storm Petrel Hydrobates cheimomnestes, which appears quite similar to southern Leach's H.leucorhous and Townsend's H. socorroensis Storm Petrels when at sea. For the first time, we describe the at-sea distribution of breeding Ainley's Storm Petrels obtained using GPS tracking. We found that these birds visit waters of the eastern North Pacific between central Baja California, Mexico and southern Alta California, USA. These findings expand existing knowledge of the range of this species, which had previously been based on a few at-sea sightings and specimens.
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