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Nome popular: samambaiuçu.

Feto arborescente até 7m; tronco ereto com escamas e raízes adventícias; frondes tripinatipartidas, pecíolo com espinhos diminutos, marrons no material seco, 0,2cm compr., escamas amarronzadas, até 2,5 X 0,4cm, concentrados na base, peciólulo 1,5 X 0,4cm, tomentuloso a glabrescente, raque tomentulosa a glabrescente, sulcada, espinhos esparsos, folha composta, até 6m compr., 2-pinada, pina alterna, dística, penatilobada, pelo menos 36 X 21cm, pínula mais de 13 pares, oposta a suboposta, dística, penatilobada, lâmina oblongo-lanceolada, elíptico-lanceolada, ápice longo-acuminado, base assimétrico-truncada...

Nome popular: maria-mole.

Árvore até 25m; extremidade dos ramos, pubescente, levemente estriada, lenticelas esbranquiçadas, conspícuas; folha simples, alterna, espiralada, sem estípula, pecíolo algo estriado, 7 X 0,2cm, glabro, lâmina ovado-elíptico, ápice mucrunado, base cuneada, geralmente assimétrica, 16-23 X 8.5-10cm, margem inteira, irregular, membranácea, venação camptódroma, 6-8 pares de nervuras secundárias, conspícuas, venação terciária formando retículo pouco conspícuo, glabra, ráfides visíveis com auxílio de lupa, dispersas por toda a lâmina.

Distribuição: Equador, Paraguai, Argentina, Uruguai, no Bras...

Nome popular mamica-de-porca.

Árvore até 15m, espinhos robustos no tronco; extremidade dos ramos glabra, estriada, acúleos esparsos, fortemente odorífera; folha composta, alterna, imparipinada, sem estípula, pecíolo cilíndrico, 2,5-4,5 X 0,2cm, tomentuloso, peciólulo canaliculado, 0,3 X 0,1cm, glabro, folíolos ca. 25 opostos ou subopostos, lâmina oblongo-elíptica ou elíptica, levemente assimétrica e às vezes falcada, ápice obtuso, base atenuada, assimétrica, 4-6 X 2cm,margem glanduloso-crenada, cartácea a subcoriácea, venação camptódroma, 5-7 pares de nervuras secundárias mais conspícuas na face abaxial, venação terciária f...

Nome popular: embaúba.

Árvore até 11m; extremidade dos ramos cilíndrica e oca em forma de candelabro, nós evidentes, acinzentada; folha simples, alterna, estípula terminal, caduca, amplexicaule, deixando uma cicatriz cirular no nó, pecíolo sulcado, 36 X 1cm, oco, lâmina digitada, 10-12 lobos, lobos com ápice acuminado, base sagitada, 38 X 31cm, margem inteira, ciliada, membranácea, venação actinódroma, 12 nervuras primárias, ca 23 pares de nervuras secundárias, paralelas, espaçadas ca. 1,5cm, conspícuas, opostas, venação terciária conspícua na face abaxial, paralela, face adaxial setosa, escabra, áspera ao toque, abaxial setosa, acinzentada. Leia Mais

Physical appearance: 17,5 cm. The male is bluish black with the forehead and chest chestnut. The female is olive brown streaked in brown in the upper parts. The immature is brown and striated. Distribution: Eastern South America from French Guyana to northern Argentina and as far west as Mato Grosso and eastern Bolivia. Habitat: Lives in humid grasslands, wetlands and ponds. Diet: Feeds mainly on insects and seeds, but also on fruits. Reproduction: Often nests in groups. The nest is built in a fork of a tree. Both male and female build the nest watering the material before using it. The nest is a deep basket. Natural history: The vocalization is melodic and commonly the predomi...

Physical appearence: 12cm. The upper parts are grayish with black and ferruginous stripes The chest is light brown with spots in the immature. There are yellow ribbons above the eyes and in the wings. The coloration may change when it is dirty due to contact with earth. Distribution: The Grassland Sparrow is found east of the Andes from Colombia to central Argentina but is missing from the Amazon Basin upstream from the Tapajós river. Habitat: Dry fields with grass, cerrado and crops. Diet: Feeds on grains and small insects. Reproduction: During the breeding season they live in pairs in a territory defended by the male. The nest is opened and placed on the ground. The eggs are s...

Length: 20cm Identification: nightjars are always very difficult to identify as they are nocturnal birds, rarely seen during the day due to their camouflage. On the other hand there are few species inhabitting urban areas and among these the little nightjar is usually the smallest and with the lightest color pattern. Distribution: it is distributed through all the South American countries east to the Andes. Habitat: occurs in a wide range of ecosystems, but is specially common in forest edges surrounded by crops and wetlands. This nightjar spends the whole day quiet and very well camouflaged on the ground and thus is rarely seen at daylight. It only flies during the day ...

62 cm in length, 143 cm of wingspan. The feathers are absent in the head and neck. The body is black, with white spots near the tip of the wings (seen only when flying). Distribution: From central U.S.A to central Argentina. Habitat: Virtually in any kind of landscape, preferably in open areas. Absent in large areas of dense vegetation. Diet: Mainly carrion. Does not hunt, but kills injured or young animals, such as turtle eggs and hatchlings, even newly born big mammals like calves. May eat fruits. The excellent eyesight helps finding carrion at long distances. Reproduction: The courtship consists of movements of the male jumping on the ground with the wings opened and then...

13,5 cm. The male’s top of the head is black with a scarlet topknot. The body is red, with the upper parts brownish red. The female does not have a topknot and the upper parts are brown. Distribution: From the Guyanas to Argentina. Habitat: Secondary forests, cerrado and farms. Diet: Feeds on seeds and insects. Reproduction: When breeding lives in pairs and the male protects the territory. Builds a cup-like nest with leaves, lichens and spider webs. Lays 3 to 5 bluish or white eggs. Both male and female feed the offspring. Natural history: The male’s topknot can only be seen when it is excited. When not breeding lives in groups, sometimes mixing with other species. In dry ...

33 cm. The tail is very long. It is all black. The bill is thick and strong. The skin is also black. Male and female are similar. Distribution: From Florida (U.S.A) to Argentina. Habitat: Inhabits open landscapes with grass. Prefers moist places. Diet: Consumes arthropods, mainly grasshoppers, and small vertebrates as lizards, mice and frogs. Also eats hatchlings. Fishes in shallow water. In some seasons, mostly in the dry ones when arthropods are scarce it eats fruits and seeds. Follows cattle and tractors in order to catch insects displaced by their movements. Reproduction: The male dances around the female on the ground. It offers food as a gift for the female but sometimes sw...

35cm Similarly to other Brazilian jays, the Curl-crested jay has white lower parts and blue and black upper parts. It may be confused with the Plush-crested jay (Cyanocorax chrysops), but while the last presents the crest in the back of the head, the yellow iris and a blue patch around the eyes, the Curl-crested jay presents the crest on the forehead, the red iris and the head is entirely black. Whereas the Old World ravens are mostly black, as well as the crows, the Brazilan corvids are colorful and most of them have white lower parts. There are 6 species of jays in Brazil, all of them extremely beautiful. The Curl-crested jay is one of Brazilian’s noisiest jays. To make the noise ...