Eagle Owls Send Sweeter Valentines When Moon Is Full

(PhysOrg.com) -- Placing a tracking device on breeding owls with a wing span large enough to cover eight humans lined up side-by-side, is not a walk in the park. But, funded by a grant from the Spanish Ministry of Science ...

Small evolutionary shifts make big impacts, study finds

(PhysOrg.com) -- In the developing fetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones -- which help distinguish color during the day -- develop before the more light-sensitive rods ...

These bats deter predators by buzzing like hornets

In Batesian mimicry, a harmless species imitates a more dangerous one in an evolutionary "ruse" that affords the mimic protection from would-be predators. Now, researchers reporting in Current Biology on May 9, 2022, have ...

Owl wing design reduces aircraft, wind turbine noise pollution

Trailing-edge noise is the dominant source of sound from aeronautical and turbine engines like those in airplanes, drones, and wind turbines. Suppressing this noise pollution is a major environmental goal for some urban areas.

Shuvuuia: A dinosaur that hunted in the dark

Today's 10,000 species of birds live in virtually every habitat on Earth, but only a handful have adaptations enabling them to hunt active prey in the dark of night. Scientists have long wondered whether theropod dinosaurs—the ...

Bornean Rajah scops owl rediscovered after 125 years

The Bornean subspecies of Rajah scops owl (Otus brookii brookii), documented in the wild for the first time since 1892, may be its own unique species and deserving of a conservation designation. Published April 28 in The ...

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