The Barred Hawk (Leucopternis princeps) is a robust, broad-winged and short square tail hawk found from Costa Rica to NW Ecuador in broken, humid-forested terrain at middle elevations.

Adults are 61 cm (24 inches) and weigh 1 Kg. Head, upperparts, and chest slate black; rest of underparts and wing-linings white, barred finely and evenly with blackish (appears uniform gray from a distance); tail black with complete median white band, 1 or more incomplete narrow basal bands. Iris brown; cere and legs yellow. Young: similar, above with white scaling on wing-coverts.

The Roadside Hawk (Buteo magnirostris) ranges from east Mexico to west Ecuador and north Argentina. Its natural areas are savannas, broken woodlands, second growth, and field edges. Its size is of 38 cm (15 inches) in height and 290 g in weight.

This bird is above brownish-gray, with paler gray head and chest. Rest of underparts are buffy-white, barred with grayish on breast. Tail gray-brown to rufuos, banded with black, and legs yellow. Its diet is based on large insets, reptiles, small mammals, and rarely birds.

The White-tailed Hawk (Buteo albicaudatus) inhabits from southwest USA to east Peru and central Argentina. Its place is in windswept ridges, savannas, and agricultural land. Its size is of 61 cm (24 inches) in height and 950 g in weight.

This bird is above slate-gray, with rufous shoulders, and below is white. Its rump and tail are white. Its cele is pale green, and its legs yellow. Inmatures are mostly brownish-black, and its shoulders are usually scaled with cinnamon. Its alimentation is based on small mammals, reptiles, and birds.

The White Hawk (Leucopternis albicollis) lives from south Mexico to east Peru, north Bolivia, and east Brazil. It prefers forested areas in hilly terrain, in canopy or edges. Its measures are 56 cm (22 inches) in height and 725 g in weight.

Its plumage is white, and its tail with subterminal black band. Wings are below mostly white, its cere is gray, and its legs yellow. It feeds on large insects, snakes, lizards, frogs, small mammals, and sometimes birds.

The Semiplumbeous Hawk (Leucopternis semiplumbeous) ranges from east Honduras to west Ecuador. Inhabits in understory and lower canopy of forest, old second growth, and cacao plantations. Its measures are 38 cm (15 inches) heights and 325 g weights.

Adults are above slate-gray, below white, with tail black and a white subterminal band. Its cere and legs are bright orange. Youngers are similar, but with yellow legs, bill and cere. They eat reptiles, small mammals, and birds.

The gray Hawk (Buteo nitidus), better known as “Gavilán Pollero” is a type of hawk you can find from extreme SW USA and N Mexico to W Ecuador, N Argentina and S Brazil. It prefers broken forest, forest edge and savanna trees. Its way of hunting is to wait to ambush the pray or pursues it with swift in a graceful flight.

41cm (16”), 425g. Above slate-gray; upper tail coverts White; below fine barred with gray and white; tail black with a white band, white rounded edges. Iris black, cere and legs yellow. Young: above dark brown flecked with rusty; superciliaries whitish; eye-stripe browm; below white very streaked with dark brown; thighs lightly barred; tail pale brown finely barred with black, subterminal bar widest.

The Broad-winged Hawk (Buteo platypterus), also known as “Gavilán aludo” is a chunky, medium-sized hawk that breeds E North America; in winters you’ll find it from S Florida and S Mexico to Perú and N Brazil. It prefers open areas, broken and semi-open forest. Feeds of reptiles, large insects, small mammals and occasionally small birds.

43cm (17”), 450g. Above dark brown; below white, irregularly spotted, chevroned or barred with reddish-brown, heaviest on breast, which can be of that one solid color. Throat white, bordered by black malar stripes; wings below white with almost unnoticeable darker barring; remiges tipped with black; tail banded black and white. Iris pale brown, cere and legs yellow. Young ones are above brown, with whitish streaks on head and pale spots on mantle. Below white to buff with dark spotting; tail gray with narrow dark bars (subterminal one widest)

The Short-tailed Hawk (Buteo brachyurus) inhabits from North America to West Ecuador and North Argentina. Its natural place is in largely forested areas, also in open country with scattered trees and patchy woodland. Its measures are 41 cm (16 inches) in height and 480 g in weight.

Adults are above dark brown, with white forehead and lores. They have 2 phases. In the pale phase the underparts are white. In the dark phase, they are below dark brown to blackish. Its cere and legs are yellow. They feed on birds, lizards, and snakes.

The Zone-tailed Hawk (Buteo albonotatus) is a medium-sized hawk of warm, dry parts of the Americas. It feeds on small vertebrates of all kinds (other than fish), including birds up to the size of quail.

Grown birds are 47–55 cm (18.5–21.5 inches) in length with a wingspan of about 1.2 m (4 feet); their average weight is 810 g (1.8 lbs). Adult plumage is mostly blackish except that the flight feathers are barred with lighter gray (appearing solid gray from a distance) and the tail has three or four bands or "zones", white from below and light gray from above, of which the one second from the tip is particularly broad and conspicuous. The cere and legs are yellow. Immatures are similar except for small white spots on the breast and tails with narrow gray and black bands and a broad dark tip. The Zone-tailed Hawk adults resemble the Common Black Hawk but are smaller and have more white bars on the tail.