Ecological segregation among plankton-feeding alcidae (aethia-a and cyclorrhynchus)

• Main Author: Bedard, Jean
• Format: Thesis
• Language: English
• Published: University of British Columbia 1967
• Subjects: plankton; Lawrence Island; Pacific; Calanus finmarchicus; fratercula; North Atlantic; St Lawrence Island; Alaska; uria
• Online Access: http://hdl.handle.net/2429/41186

Among the North Atlantic marine birds, only one species fills the plankton-feeding niche (Plautus alle L., Alcidae) while in the North Pacific and adjacent seas, no less than five alcids occupy it. A comparison of the feeding and nesting habits was made in order to understand how the food resources...