Among European birds called blue tits, the early bird gets more than a worm.
Older males start singing some 5 or 6 minutes earlier in the dawn chorus and attract more of the promiscuous females than younger males do, researchers report in the September issue of Animal Behaviour.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.