urban waterways

Winter is a good time to find ducks. Many of them switch habitats in the winter, leaving secluded ponds or arctic refuges for bays, lakes, and even urban waterways. Here’s a hooded merganser (Lophodytes cucullatus) from today. Females have ruddy heads, but males have these amazing black and white crests that they can raise and lower at will. They use them for weird courtship displays. Every time I see a bird do a funny mating dance, I think about their dinosaur relatives doing the same but on an absurdly large scale…