Common name: Yellow-crowned Night Heron.
Size: Adults are 61 cm long and weigh 625 g.
Habitat: It prefers mangrove and gallery forests to roost. It forages individually along the coast, mangroves, sand flats and sometimes along rivers and ponds, looking for crabs. This is a bird which for half the year between December to April can be seen in Manuel Antonio National Park along in resting in the trees along the second beach or Espadilla Sur. It can also be observe all year around in the Miandra Lagoon in Carara National Park and from the boats when doing the boat tour at the River Tarcoles.
Distribution: In warmer locations, some are permanent residents; others migrate to Central America and the West Indies. They may occasionally wander north to the lower Great Lakes or Ontario after the breeding season
Natural history: This bird stalks its prey or waits in ambush at the water's edge, mainly at night. It mainly eats crustaceans, mollusks, frogs, aquatic insects and small fish.