In April, some robins may still be migrating to the northernmost breeding range in Alaska, but most robins are on home territory. Gone are the social flocks of winter. Robins are now territorial. The melting snow and April showers mean wet, muddy ground. Mud + dead grass + worms = ideal conditions for nesting. Mates work together to build a sturdy nest in which to lay their eggs and hold their chicks.
Image: Wayne Kryduba