Characterization: Large species measuring about 51cm in length. It has a spotted pouch, a white head and the rest of its body is rufous; its wings are long and wide, as opposed to its tail, which is extremely short.

Distribution: From Mexico to Argentina and nearly throughout Brazil.

Habitat: This bird lives in swamps, marshes, flooded fields and mangroves.

Habits: A diurnal species, it only hunts for a few hours a day. It can glide for hours on end.

Diet: It will usually fish with its fingers, which have long, curved nails. It also eats insects and aquatic mollusks.

Breeding: This bird builds its nest out of sticks in the shape of a platform, located 12-15m in height in mangrove or on trees at the edge of marshes, where it lays one egg.

In the UFRA area: The Black-collared Hawk is rare at the studied farms, as was found only once. It was limited to wetlands with herbaceous plants. It is an endangered species, listed in the Vulnerable category.