Join BirdNote tomorrow, November 30th!
Illustrator David Sibley and actor H. Jon Benjamin will face off in the bird illustration battle of the century during BirdNote's Year-end Celebration and Auction!
View upclose images of the robin nestlings and nest taken by Georges Capuano.
If a human built a structure with the same weight difference of a robin with its nest, our mound of mud and twigs would weigh 450 pounds!