ScienceDaily Posted July 6, 2016 Share Posted July 6, 2016 Expecting songbird dads do not always work themselves into frenzy to provide food to their partners sitting on the nest. They take breaks on warmer days, when food is more readily available or if their partner is older and more experienced in successfully hatching eggs. Read the full article on ScienceDaily Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.