Description

I was surprised to find that a pair of tree swallows built their nest on top of a house wren’s stick nest that was not completed yet. I was worried that the wrens would pierce the swallow eggs and take over again, but no, the swallows were able to complete the nestling and fledged 3

Category

Unusual nests

Species

• House Wren
• Tree Swallow

Tags

• takeover nesting