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Hot weather is bad news for bird sperm

A new study led by Macquarie University and spanning Sydney and Oslo has shown that exposure to extreme temperatures, such as those experienced during heatwave conditions, significantly reduces sperm quality in zebra finches, ...

dateJan 19, 2018 in Ecology
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Timing of spring birdsong provides climate insights

Climate change has scientists worried that birds' annual migration and reproduction will be thrown out of sync with the seasons. Because birds' songs are correlated with their breeding behavior and are easily identifiable ...

dateJan 17, 2018 in Ecology
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Genetic drift caught in action in invasive birds

Studies of island bird populations have taught us a lot about evolution, but it's hard to catch birds in the act of naturally colonizing new islands. Instead, a new study from The Auk: Ornithological Advances examines what's ...

dateJan 17, 2018 in Ecology
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Meet Africa's bird master of vocal imitation

Singing a duet in a foreign language isn't just for opera stars—red-capped robin-chats do it too. These orange-brown birds with grey wings can imitate the sounds of 40 other bird species, even other species' high-speed ...

dateJan 12, 2018 in Plants & Animals
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