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Birds depredating stingrays and skates (Chondrichthyes: Batoidea): new observations and a review of records

journal contribution
posted on 2023-10-23, 02:53 authored by James FitzsimonsJames Fitzsimons
Gulls (Larus spp.) have a diet that includes fish, but they are also often dietary generalists. A limited number of dietary studies have been undertaken on the Pacific Gull Larus pacificus, which are endemic to Australia. Here, an observation of depredation by a Pacific Gull on a Southern Fiddler Ray Trygonorrhina dumerilii is described. Prior to this observation, rays and skates had not been recorded in the diet of Pacific Gulls, and there are few records in the literature of depredation by gulls (Laridae), or other bird families, on species of cartilaginous fishes from the superorder Batoidea. However, there is substantial documentary evidence, available online, of gulls and other bird species preying on rays and skates, which is described herein.

History

Journal

Marine Ornithology

Volume

49

Pagination

223 - 227

Location

Rondebosch, South Africa

ISSN

1018-3337

Language

eng

Publication classification

C1 Refereed article in a scholarly journal