Polygamy observed in trio of great horned owls

A trio of great horned owls has been found to be engaging in a polygamous relationship according to an ornithologist with Bird Studies Canada. The finding has been reported by Doug Main with National Geographic.

Scientists remind their peers: Female birds sing, too

When North American ornithologists hear a bird singing, they're likely to assume it's a male. But in many species, the females sing too—and a new commentary in The Auk: Ornithological Advances argues that a better understanding ...

Researcher studies birds that break all the mating rules

What can the mating behavior of birds tell us about evolution, climate change and species survival? For Peter Dunn, UWM distinguished professor of biological sciences, bird-watching offers clues to overarching ecological ...

Muscle fibers alone can't explain sex differences in bird song

Male birds tend to be better singers than females—but does the basis for this difference lie in the brain or in the syrinx, the bird equivalent of our larynx? The researchers behind a new study from The Auk: Ornithological ...

What messages do female birds' markings send?

Both male and female birds use traits like plumage brightness to size each other up, but a new study on Northern Cardinals in The Auk: Ornithological Advances shows that the meanings of female birds' markings may vary from ...

Cheating is more society's problem than an affair of the heart

When it comes to love, cheating and divorce, matters are never just of the heart. In a bid to understand the love lives of humans, scientists have turned to the romantic relations of birds since the family life of many birds ...

Why some cuckoos lay blue eggs

Cuckoos are nest parasites, meaning they lay their eggs in other birds' nests. The female cuckoo has to lay eggs that mimic the color, size and shape of the eggs of the host bird. Using a massive data set, including data ...

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