It is easy to found in open areas of the country, for example: agricultural and forested areas.

Usually singly or in pairs. Eats berries, acorns and buds plucked from trees or shrubs.

Sometimes it is a pest because they feed on seeds of corn or sorghum.

A thin and frail platform of coarse sticks usually located over 15-80 feet. (4.5-25m) It lays 1 white egg. And its breeding period goes from March to August.

It prefers open lightly wooded country, scrubby second growth, lawns and dooryards.

Usually in pairs or small groups. It feeds on seeds and grit from open vegetated ground.

They are depredated by the "false vampire" (Vampyrum spectrum).

Its nest consists in a flimsy saucer of straws, fine twigs, and bits of weeds. Located over 3-26 feet (1-8m). It lays 2 white eggs. And its breeding period goes from April to August and possibly to October.

Prefers arid places with cacti, thorny shrubs and scattered trees. In open woodland and savannas; may roost in large flocks in savanna trees; when it is alarmed takes flight with loudly flapping wings.

They are extremely gregarious.

A shallow saucer of coarse sticks. Usually located over 25 feet (2-8m) up in a thorny tree, cactus, shrub, or small mangrove. They lay from 1 to 2 white eggs, white with a faint buffy tinge. And its breeding period goes from January to March.

Prefers arid places with cacti, thorny shrubs and scattered trees. In open woodland and savannas; may roost in large flocks in savanna trees; when it is alarmed takes flight with loudly flapping wings.

They are extremely gregarious.

Its nest is a mass of brown or green leaves. Also it lays 2 chalky white eggs.  And its breeding period goes from January to August.

Prefers non forest habitats; for example: open scrub, second growth, semi open areas, coffee plantation, gardens, dooryards and entering humid forests.

They are aggressive and territorial.

A compact cup made of plant’s fibers, dead leaves and cobwebs. Sometimes, the nest is located over 3 – 20 feet (1-6 meters). On the other hand, the breeding season goes from May to January on the Pacific Slope and from October to June on the Caribbean Slopes.

They are abundant around towns and in open areas of the country and is rarer to see in forested regions.

They are aggressive, gregarious and opportunistic. Besides, they’re the major predator of hatching sea turtles; also they feed on fruits including bananas.

The nest is located on ground beneath overhanging rocks. Also they lay 2 eggs that are grayish green with dark brown color. And the breeding season goes from November to February or March sometimes.

Often fallowing odor trails upwind to carcasses hidden by vegetation.

Usually alone or in pairs or trios, never in large groups except during spectacular migratory flights; most often seen over country but also occurs in forested regions.

They put their nests on unlined floor or caves. Also they lay 2 eggs and the breeding season goes from November to February.

They are very adaptable, Frequently in rain forests, drier woodland, shady gardens, semi open areas and coffee plantations.

It is solitary or usually in pairs. Captures large spiders, earthworms, insects, small lizards and snakes.

It lays from 3 to 4 eggs, between on March and on May. The Nest consists in a long and winding burrow from 5 to 14 (1.5 – 4 m) feet long.

Frequents in tall humid forest and semi open areas.

It feeds on many fruits, especially those of palms and Heliconia; captures insects and spiders, small frogs and lizards on sally to ground or vegetation.

Often it is a long winding burrow where the eggs couldn’t be seen; but the breeding season goes from March to June.

Frequent to see in gallery forest, open woodlands, savanna trees and around houses.

Active and noisy. Usually in pairs or family groups. They feed on bettles, crickets, larvae of insects and spiders.

It is a roughly globular structure with a side entrance; the nest is usually located on a thorny tree or shrub. The Rufous – Naped Wren lays from 3 to 5 eggs. And the breeding season goes from April to June.

Very common in open woodland, banana and coffee plantations and forest edge.

They are straggling and noisy.

They are considered as plagues because they feed on maize grains, peas, fruits of avocado, zapallo and also on hen eggs.

The nest is a bulky foundation of coarse sticks, and, they lay from 2 to 7 eggs. The breeding period goes from March to June.

It is very frequent in cultivated districts of all sorts, in suburban lawns and gardens, pastures with scattered trees.

It feeds on earthworms, slugs and adult insects. Besides, occasional lizard and fruits of many kinds.

It is composed of coarse vegetal materials with mud and rootlets. It lays from 2 to 3 eggs. In addition, the breeding season goes from March to July.

From its original habitat of open marshes, mangroves and estuaries has spread and occupied no forest habitats including agricultural areas, savannas, towns, and suburbs.

It feeds on earthworms, slugs and adult insects. Besides, occasional lizard and fruits of many kinds.

A bulky bowl with a foundation of miscellaneous plant matter, mud or cow dung. Usually located between 17-65 feet (5-20 m) up. It lays 2 or 3 eggs. And the breeding season goes from January to July.

Frequently to see in humid forest, clearings with scattered trees, semi opens areas, and crowns of small trees.

Eats mainly berries, especially of mistletoes; hunts small insects on high.  They form small pairs or groups.

A globe with a side entrance, of green moss, small ferns and orchids roots. It lays from 3 to 5 eggs. Also the breeding season goes from February to July.

In all types of open country with trees and shrubs, suburban gardens, town’s parks and on edges of the humid forest.

All the time in pairs, straggling flocks. Usually feeds on many kinds of berries and seeds, insects and spiders. As well it feeds on tender green leaves.

A neat cup of soft materials bound together with spider web. Usually in a tree or shrub at not great height, occasionally in an open shed or in a bunch of green bananas; sometimes steals nest of a smaller tanager and incubates builder’s eggs along with its own. It lays 2 eggs. And the breeding season goes from March to July.

Frequents on coffee plantations, semi open areas and gardens.

Usually in pairs, and feeds on many fruits, flowers, tender leaves and young shoots vines. Besides, it sings from tops of small trees.

A rather bulky cup with a foundation of twigs. Moreover, it lays 2 eggs, occasionally 3. The breeding season goes from April to July.

Frequents weedy fields, pastures and roadsides.

Sometimes singly or in pairs; often breeds in loose colonies. When grass seeds are scarce, gathers berries from shrubs and trees.

An ovoid or roughly globular structure with narrow side entrance. And it lays from 2 to 3 eggs. Besides, the breeding period takes place from May to August.

Frequents urban, suburban, country lawns, parks, gardens and agricultural fields.

Holding small territories throughout year, nonterritorial birds live furtively in the same areas or form flocks that wander locally. Gathering grass and weed seeds, fallen grain and insects.

A neat and compact bulky cup of grasses, rootless, etc; sometimes animal hair, in a niche, in a wall or bank.  It lays from 2 to 3 eggs. The breeding from February to April.

Prefers open country highlands, including weedy fields, plantations and clearings with scattered trees.

Usually in small flocks of 10 or fewer that fly undulating. And descending to forage for grass seeds on or near the ground in coffee plantations.

A compact and thick cup of grasses, stems, rootless and fibers. It lays from 3 to 4 eggs. From August to January.

Frequents open places of all sorts, from savannas, agricultural lands and banks of large rivers to towns and cities.

Captures wasps, bees, dragonflies, and butterflies on long, eats many berries. They are territorial.

A broad nest of grasses, weed stems and sometimes horsehair. They lay from 2 to 3. And the breeding season goes from March to July.

Prefers open country with scattered trees that serve as lookout perches from aerial flycatcher.

Frequent canopy and edge of humid or dry forest, semi open areas and savanna with scattered tall trees.

Usually in pairs or family groups of 3 or 5. Locates insects while perching, then flies up to pluck them from leaf or bark without alighting.

A shallow bowl of twigs, dry vines, roots and rhizomes of epiphytes gathered from trees rather than ground. It lays from 2 to 3 eggs and the breeding season goes from March to July.

Usually nests in dense colonies in isolated trees, clearings or semi open areas but often enters forest canopy to forage.

Searches for a variety of invertebrate and small vertebrate prey in foliage, epiphytes and undersides of branches and fronds.

A tightly woven, massive and long. They lay 2 eggs. And the breeding season goes from January to August.

Prefers dark thickets in moist ravines, forest edge and patchy woodland.

Usually stays on or near ground and it feeds on insects, spiders, other arthropods and seeds.

A massive bowl of narrow dead leaves stems and thin twigs. Also it is well hidden among banana plants, orchids, etc.  They lay 2 eggs and the breeding season goes from April to July.

At forest edge and in gallery forest in drier areas, but seldom enters close wet forest, preferring semi open areas, shade gardens, trees in pastures and forages on trunks.

They take many ants and their brood. Also take fruits.

In a tree hole, they lay from 3 to 4 years.  And the breeding season goes from January to May.

Frequents highlands forest and clearings with scattered dead trees, pastures with remnant forest trees.

Sociable and very active.

A hole excavated usually in decayed trees. The breeding season goes from April to August.

Prefers deciduous forest, light woodland, shade trees in coffee plantations and gardens and scattered trees in pastures.

Searches for ants, beetles and their larvae, eats many fruits, including figs; drinks nectar flowers and sleeps singly in holes.

A hole in a dead trunk or branch and they lay from 2 to 3 eggs on February.

Frequents all levels of montane forest, up to middle canopy, as well as adjacent edges and clearings with scattered trees.

Alone or in pairs, frequently joins mixed flocks or bands of tanagers.

Unknown.

Prefers thickets and vine tangles at low to middle heights around gaps in forest, also, along stream and edges, and in tall second growth.

Sits for long periods peering about, then makes sudden sally or hops rapidly and heavily to snatch crickets, katydids, beetles, bugs, caterpillars, or other insects, or spiders and small lizards from vegetation.

Cup attached by rim in a horizontal fork of dark fibers so loosely woven. The lay 2 eggs and the breeding season goes from April to June.

Flies singly or in pairs, occasionally small groups, over forest, pastures and towns.