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1 September 2009 Commensal Foraging Between Double-crested Cormorants and a Southern Stingray
Stephen M. Kajiura, Laura J. Macesic, Tricia L. Meredith, Kelly L. Cocks, Lynda J. Dirk
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Abstract

We describe a commensal relationship between Double-crested Cormorant, (Phalacrocorax auritus) and a southern stingray (Dasyatis americana). Three cormorants were observed closely following a large southern stingray in a shallow turtle grass (Thalassia testudinum) bed near Long Key, Florida and feeding upon a small fish disturbed by the stingray's benthic foraging. This represents an example of a commensal relationship in which one participant benefits while the other is unaffected.

Stephen M. Kajiura, Laura J. Macesic, Tricia L. Meredith, Kelly L. Cocks, and Lynda J. Dirk "Commensal Foraging Between Double-crested Cormorants and a Southern Stingray," The Wilson Journal of Ornithology 121(3), 646-648, (1 September 2009). https://doi.org/10.1676/08-122.1
Received: 20 September 2008; Accepted: 1 January 2009; Published: 1 September 2009
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