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  • Category: Image
  • Note: Nota inteiraNota inteiraNota inteiraNota inteiraNota inteira
  • Downloads: 580
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Scaled Dove ( Columbina (Scardafella) squammata )

19cm. The plumage is squamous. The general coloration is brown with some grayish parts. There is a white wingbar (when closed). When flying it shows a pattern of white in the wings and tail. Distribution: From Venezuela to Argentina. Habitat: Inhabits dry fields, cerrado, caatinga and parks in urban areas. Diet: Feeds on grains and fruits on the ground. Reproduction: It is monogamous. Builds a sparse nest in the shape of a cup, 1 or 2m from the ground, sometimes on the ground. The hatchlings (generally 2) are fed on pigeon’s milk that is rich in fat, proteins and lectines. They leave the nest after 15 days. The vocalization is very characteristic and in many places it is named a...

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  • Category: Image
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  • Downloads: 535
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Red-Crested Finch ( Coryphospingus cucullatus )

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 ...

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  • Category: Handout or Class Script
  • Note: Nota inteiraNota inteiraNota inteiraNota inteiraNota vazia
  • Downloads: 147
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FOTOSSÍNTESE E LIBERAÇÃO DE OXIGÊNIO

durante a fotossíntese há produção de oxigênio. Quando um feijoeiro é colocado em ambiente fechado com uma vela acesa, a chama é mantida por mais tempo, do que na ausência da planta. É apresentado o resultado esperado e fatores que podem interferir no resultado.

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  • Category: Image
  • Note: Nota inteiraNota inteiraNota inteiraNota vaziaNota vazia
  • Downloads: 516
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Blue and White Swallow ( Pygochelidon (Notiochelidon) cyanoleuca )

12 cm. Small, the legs, beak and neck are short. The back is blue and the belly white. Male and female are similar. The immature individuals are brown in the upper parts and buffy in the inferior parts. Distribution: From Costa Rica to Southern Brazil. In the Amazon region it is only seen during seasonal migrations. Habitat: Farms, villlages, cities and open areas in general. Uses rocky places and roofs to rest. Diet: Feeds on flying insects. Reproduction: The nest is similar to the one of Progne chalibea. The white eggs (2 to 6) are incubated by the couple. Male and female share the task of feeding the brood. Natural history: The southern populations migrate northwards after br...

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Results 1 - 10 from 10 Found materials (New search)