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 ...

Kendrapada: In a shift that experts attributed to climate change, migratory birds at Bhitarkanika National Park have begun ...