For these birds, climate change spells a rise in fatal conflicts

Researchers have found yet another way in which climate change has been detrimental to migrating birds. As European winters have become warmer, pied flycatchers traveling from Africa to reach breeding grounds in the Netherlands are arriving to find that resident great tits have already claimed nesting sites for the season. As a result, the number of flycatchers killed in great tit nests has risen dramatically.

from Latest Science News -- ScienceDaily http://bit.ly/2sm7jqq