Selective Feeding of Red Phalaropes on Zooplankton of Arctic Ponds
Dodson SI and Egger DL. 1980. Selective Feeding of Red Phalaropes on Zooplankton of Arctic Ponds. Ecology. 61(4):755-763
Food preferences and feeding rate coefficients were estimated for five Red Phaloropes (Phalaropus fulicarius) eating zooplankton. Birds were captured in the Barrow, Alaska, area and put into enclosures containing a known amount of zooplankton. Predation preference and intensity was calculated from the rate of disappearance of zooplankton from the cages. Results indicated phalaropes are size-selective predators on zooplankton, and reaffirm the size-selection predation model previously applied to fish and salamander populations.
- Type
- Journal Article
- Authors
- Dodson, Stanley; Egger, David
- Units
- ARCN , BELA , CAKR , GAAR , KOVA , NOAT
- Keywords
- Arctic, Arctic tundra ponds, Daphnia, ephippia, feeding efficiency, Hrbacek's model, Red Phalarope (Phalaropus fulicarius), Red Phalarope diet, size-selective predation, species distribution pattern, Zooplankton