Laboratório de Tecnologia Educacional BIBLIOTECA DIGITAL               DE CIÊNCIAS

53 cm. It is a beautiful heron with the upper parts grayish blue, the neck and the ventral region brownish yellow. The face is blue. Distribution: Open areas from Colombia to Argentina. Habitat: Unlike other herons it may be found very far from the water, thriving in open fields and only occasionally in wetlands. Diet: Feeds on mollusks, amphibians, lizards and insects, mainly grasshoppers. Hunts on the ground revolving the earth and grass with its beak. Reproduction: The courtship is very complex, beginning with displays of the male on the ground and then in the air. The nest is very simple and is built on tall trees. Lays 2 to 4 bluish grey eggs. Natural history: It is often...

18,5cm Like other flycatcher from the same genus, the Short-crested Flycatcher is yellow bellow, has a grayish throat and mostly brown upperparts. It can be told apart from the other species by the short crest and the absence of white spots around the eyes. Like other species of flycatcher it spends most of the time perched in forest edges. Feeds mainly on flying insects that it seizes in short flights, returning to the same perch. It also catches insects among the leaves and berries. Its vocalization reminds that of the White Woodpecker ( Melanerpes candidus ). The nest is build lining a small tree hole, where two buffy eggs are laid.

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...

16cm Identification: the genus Elaenia is well known among the ornithologists for being one of the most difficult groups when it comes to species identification. Nevertheless Elaenia flavogaster is the easiest species to be identified, first for its yellow belly, second for the crest on the head (not always visible), third for the absence of white patches on the face and crest and last for its conspicuous behavior. It is more easily heard than seen and its song reminds the one of the kiskadee. It inhabits parks, backyards, coffee crops and secondary forest edges. The yellow bellied elaenia spends most of its time in the medium height trees and shrubs. Feeds mainly on insects and be...

22 cm. The upper parts are brown or grayish. The chest and belly are bright yellow. Distribution: From Texas (U.S.A) to Argentina. Has expanded its distribution, benefited from deforestation. Habitat: Forest borders, cerrado, fields and cities. Diet: Mostly flying insects that it catches in small flights from a perch. Follows fires in order to catch the escaping insects. Also eats fruits. Reproduction: The nest is made of sparse sticks and is usually placed in trees with hives or with plenty of ants in order to increase safety. The offspring, (2 or 3) are fed by the couple. Natural history: Migrates to the north in the southern winter. During this migration it may appear in...

Apresenta-se um módulo didático para o ensino de açúcares no Ensino Superior, utilizando açúcares simples, o reagente de Benedict e a Glicose Oxidase. Relatamos também nossa experiência na aplicação de tais módulos às turmas de Licenciatura em Química e Ciências Biológicas da Universidade Federal de Santa Maria durante a disciplina de Bioquímica Experimental.

Nesse episódio, a apresentadora Mariana Conda discute com o ecólogo Léo Marinho (fictício) estratégias que os organismos possuem para evitar e se proteger dos predadores, dando destaque para um artigo publicado em 2015 sobre o tema. Artigo citado: https://doi.org/10.1371/journal.pone.0120351 Vozes: Mariana Conda - Gabriela Prada Léo Marinho - Pedro Forti

Nesse podcast vamos conversar com a Mariana Vogt, profissional do Centro de Testagem e Aconselhamento do CECOM na Unicamp. Vamosouvirum pouco sobre a história do HIV, sua relação com a juventude e como é feita a testagem aqui no campus. Se gostou deixa seu like e compartilha com seus amigos essas informações tão importantes!