Seasonal Changes in Energy Intake, Energy Expenditure, and Digestibility in Captive Svalbard Rock Ptarmigan and Norwegian Willow Ptarmigan
Atle Mortensen and Arnoldus Schytte BlixVolume:
20
Journal:
Ornis Scandinavica
DOI:
10.2307/3676703
Date:
March, 1989
File:
PDF, 1.25 MB
1989