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Volume 50, No. 2

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Foraging areas of nesting Ainley's Storm Petrel Hydrobates cheimomnestes


Authors

FERNANDO MEDRANO1,2*, SARAH SALDANHA1,2, JULIO HERNÁNDEZ-MONTOYA3, YULIANA BEDOLLA-GUZMÁN3 & JACOB GONZÁLEZ-SOLÍS1,2
1Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia, Universitat de Barcelona (UB), Av. Diagonal 645, Barcelona 08028, Spain *(fernandomedranomartinez@gmail.com)
2Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biología Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biología, Universitat de Barcelona (UB), Barcelona 08028, Spain
3Grupo de Ecología y Conservación de Islas A.C. (GECI), Baja California 22800, México

Citation

MEDRANO, F., SALDANHA, S., HERNÁNDEZ-MONTOYA, J., BEDOLLA, Y. & GONZÁLEZ-SOLÍS, J. 2022. Foraging areas of nesting Ainley's Storm Petrel Hydrobates cheimomnestes. Marine Ornithology 50: 125 - 127
http://doi.org/10.5038/2074-1235.50.2.1478

Submitted 22 March 2022, accepted 31 March 2022

Date Published: 2022/10/15
Date Online: 2022/09/22
Key words: GPS-tracking, Leach's Storm Petrel, seabird, Townsend's Storm Petrel, California, Baja California

Abstract

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.

References


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