Kleptoparasitism of Adult and Immature Brown Pelicans by Heermann's Gulls

We studied kleptoparasitism by Heerman's Gulls (L. heermanni ) on the piscivorous Brown Pelican (Pelecanus occidentalis ) in the Gulf of California, Mexico to answer two questions: (1) did adult or immature Heermann's Gulls differ in their frequency of kleptoparasitic attempts?, and (2) di...

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Veröffentlicht in:	The Condor (Los Angeles, Calif.) Calif.), 1990-11, Vol.92 (4), p.1076-1077
Hauptverfasser:	Tershy, Bernie R., Breese, Dawn, Meyer, Greg M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal ethology Aves Biological and medical sciences Foraging Fundamental and applied biological sciences. Psychology Immatures Kleptoparasitism Larus heermanni Marine Pelecanus occidentalis Pelicans Psychology. Psychoanalysis. Psychiatry Sea birds Short Communications Vertebrata
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