The Yellow-crowned is quite common in parts of the southeast, specifically in coastal regions, often feeds by day as well as by night. Its stout bill seems to be an adaptation for feeding on hard-shelled crustaceans. It is often called "crab-eater" in some locales. It feeds at dusk or by night by walking slowly on land or in shallow water, or standing still waiting for prey to approach. Its feeding schedule near coast probably influenced by tides.
Breeding behavior not well known. Often nests
in isolated pairs or in very small groups, especially in northern part of
range. Mating displays include stretching the neck upward with bill pointing
skyward, crouching with all plumes erected, and giving a loud call. Pairs
greet each other by raising crest, calling, touching bills, nibbling at each
other's feathers.
Nest: Site is usually in trees around 30-40'
above ground, but sometimes very close to ground or water in thickets of
mangroves. Nest is a platform of sticks, lined with finer twigs and sometimes
leaves.
What a treat to see such a beautiful bird! I've seen one in Marathon, as we dingy from our mooring to Sombrero Beach. He is always alone. I once observed him displaying mating interest with a Pelican of a different kind. I wonder if some can mate and have eggs that will hatch? Something to Google today. I was once a certified bird rehabilitator. We would get in birds from all over US, and one of us would volunteer to travel(sometimes very far) when the time came to release. I feel it's a good idea for anyone to learn how to come to the aid of an animal in need, and always know where to call once this animal is in your sight or care. From a turtle, to a bird, to a deer, dog, cat, etc. We all share the land and water and it is our responsibility to be respectful and somewhat able to pitch in should we ever come across a distressed creature.
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