This is a preview. Log in through your library . Abstract I studied the importance of geographical location, snow cover and food to the fluctuations in 30 breeding populations of Tengmalm's owl ...
We have three small owls that share a lot of characteristics. They are the boreal owl (Aegolius funereus) of North America and Eurasia, known as Tengmalm’s owl in Eurasia, and in North America the ...
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