I love any excuse to say “fritillary.”

Daddy duties.

This Ruby-throated Hummingbird is likely headed for Central America. Its wings beat up to 200 times per second. How many wingbeats does it take to get to its winter home? Trying to determine that gives me a math headache.

Things are looking up for this Red-breasted Nuthatch, which is willing to work for peanuts.