Life

Barn owls: Pale birds of UK and Ireland hint at unexpected ancient land bridge

The barn owls of northern Europe are typically dark-feathered, making the pale-feathered barn owls of the UK and Ireland an anomaly – now a study suggests they arrived via an ancient land bridge connecting the area to Iberia



Life



17 November 2021

Barn Owl, Tyto alba

A barn owl (Tyto alba) with pale feathers

Ondrej Prosicky/Shutterstock

Barn owls are one of the most widely distributed birds, being found on six continents. In Europe, they follow a general pattern: southern areas host pale owls and darker birds dominate in the north. But barn owls in the UK and Ireland are consistently a stark white, and a new analysis explains why.

Ana Paula Machado studied the owls (Tyto alba) while at the University of Lausanne in Switzerland. She and her colleagues analysed DNA from 147 barn owls across six European populations. They targeted a …


Source link

Leave your vote

More

Leave a Reply

Back to top button

Log In

Or with username:

Forgot password?

Don't have an account? Register

Forgot password?

Enter your account data and we will send you a link to reset your password.

Your password reset link appears to be invalid or expired.

Log in

Privacy Policy

Add to Collection

No Collections

Here you'll find all collections you've created before.