Annual changes in body mass in captive Svalbard ptarmigan: role of changes in locomotor activity and food intake

Food intake, feeding rhythm, and body mass regulation in Svalbard rock ptarmigan

K.‐A. Stokkan, Atle Mortensen, Arnoldus Schytte Blix · American Journal of Physiology-Regulatory, Integrative and Comparative Physiology · 1986 · 72 citations

Life Sciences, Animal Sciences, Marine Biology +13

Seasonal Changes in Body Composition and Crop Content of Spitzbergen Ptarmigan Lagopus mutus hyperboreus

Atle Mortensen, Sigmund Unander, M. Kolstad et al. · Ornis Scandinavica · 1983 · 61 citations

Life Sciences, Animal Sciences, Zoology +11

The Digestion and Intake of Winter Foods by Wild Ptarmigan in Alaska

Robert L. Moss · Ornithological Applications · 1973 · 61 citations · Full text

Life Sciences, Animal Sciences, Zoology +17

Seasonal Changes in Resting Metabolic Rate and Mass-Specific Conductance in Svalbard Ptarmigan, Norwegian Rock Ptarmigan and Norwegian Willow Ptarmigan

Atle Mortensen, Arnoldus Schytte Blix · Ornis Scandinavica · 1986 · 48 citations

Life Sciences, Animal Sciences, Zoology +14

SEASONAL CHANGES IN FOOD INTAKE OF HARP SEALS (<i>PHOCA GROENLANDICA</i>) AT 69°N

Anne Regine Lager, E. S. Nordøy, Arnoldus Schytte Blix · Marine Mammal Science · 1994 · 29 citations

Life Sciences, Animal Sciences, Zoology +16