Perisoreus canadensis
National Institutes of Health
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Variance sensitivity theory predicts that optimal foragers should take into account not only the mean but also the variance in…
The Sichuan jay (Perisoreus internigrans) is a rare Chinese endemic found in coniferous forests on the QinghaiXizang (Tibet…
This paper reports the results of bird observations at four study sites with many different habitats in the western Chentej…
selbst~tndigkeit dieser Form auf. Die Herren N e u n z i g und H e i n r o t h bekunden, dafs die lebend importierten Rufsweber…
During 16 August to 21 September 1984, I determined how Gray Jays ( Perisoreus canadensis ) carried flight-loads of different…
Genetic diversity in three taiga specialists – the Siberian tit (Parus cinctus), the Siberian jay (Perisoreus infaustus) and the…
Evolution is fuelled by independent reproduction events. Yet, the offspring of at least three percent of all bird species…