Knowing where, when and for how long mallard ducks -- natural carriers of avian influenza -- stop and rest as they migrate can help predict the probability that they will spread bird flu to backyard ...
Knowing where, when and for how long mallard ducks—natural carriers of avian influenza—stop and rest as they migrate can help ...
The birds spend most of their lives in the open ocean. Observing birds at sea is nearly impossible, so much about puffins remains a mystery. Ecologists like Erpur Snær Hansen, who leads a team at the ...
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