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Hace 2 días · Passer ahasvar Kleinschmidt, 1904. The house sparrow ( Passer domesticus) is a bird of the sparrow family Passeridae, found in most parts of the world. It is a small bird that has a typical length of 16 cm (6.3 in) and a mass of 24–39.5 g (0.85–1.39 oz). Females and young birds are coloured pale brown and grey, and males have brighter black ...
Hace 2 días · Video of a hummingbird building a nest. Male hummingbirds do not take part in nesting. Most species build a cup-shaped nest on the branch of a tree or shrub. The nest varies in size relative to the particular species – from smaller than half a walnut shell to several centimeters in diameter.
7 de may. de 2024 · Nest humidity must be kept high for embryos to develop normally, either from a soil or plant cover, or local climate, or behavior of mother (urination, splashing water on nest) Nest guarding. Mother guards the nest. Watches nest for c. 10-14 weeks; Mostly by lying over the nest; Defends it against egg snatching predators
Hace 1 día · Termite workers at work An arboreal termite nest in Mexico Termite nest in a Banksia, Palm Beach, Sydney. A termite nest can be considered as being composed of two parts, the inanimate and the animate. The animate is all of the termites living inside the colony, and the inanimate part is the structure itself, which is constructed by the termites.
Hace 10 horas · So we developed a non-destructive method for extracting DNA from the shells of tiny cuckoo eggs (2.5cm long), which allowed us to sample museum egg specimens that have been collected over many ...
Hace 1 día · The long-eared owl (Asio otus), also known as the northern long-eared owl or, more informally, as the lesser horned owl or cat owl, is a medium-sized species of owl with an extensive breeding range. The genus name, Asio, is Latin for "horned owl", and the specific epithet, otus, is derived from Greek and refers to a small eared owl. The species breeds in many areas through Europe and the ...
9 de may. de 2024 · We recently compiled a new web page about social wasps where you can learn more about these awesome insects. Bumble bee queens forage on our spring blooms while they too start a new nest alone.
