Laboratório de Tecnologia Educacional BIBLIOTECA DIGITAL               DE CIÊNCIAS

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ESTE EPISÓDIO DO PODCAST VOZES DA NATUREZA É VOLTADO PARA DIVULGAR CONHECIMENTO SOBRE O INCRIVEL MUNDO DOS INSETOS.

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 ...

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...

35 cm. The eyes and the legs are red. Has a topknot in the head and a spur in each wing. There is a black band in the throat that begins in the forehead and ends in the chest. The belly is white, the back and the wings are grayish brown and there are green and ferruginous spots in the wings. Distribution: From Panama to Tierra del Fuego. Habitat: Grasslands, open fields, lawns and sometimes soccer fields. Diet: Insects that it catches on the ground. Sometimes catches small fish in shallow wetlands. Reproduction: The nest is made of dry leaves (mainly grass) and placed in a small depression on the ground. Each male may have two females laying their eggs in the same nest. The femal...

O presente infográfico explora o mimetismo em borboletas, a definição, os tipos, a diferença entre mimetismo e camuflagem e mais informações sobre este tema.

O podcast em questão aborda o mimetismo em borboletas, que consiste em uma estratégia evolutiva que muitas espécies utilizam para se proteger e garantir sua sobrevivência e reprodução. Ao longo do podcast descobriremos o que define o mimetismo, quais são seus tipos, qual a diferença entre mimetismo e camuflagem e exploraremos os padrões de cores, de formas e de comportamentos que as borboletas exibem para enganar seus predadores.