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Hace 1 día · 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 1 día · Omar Kardoudi. 02/06/2024 - 05:00. Investigadores de la Universidad de Cambridge, en el Reino Unido, han desarrollado un pulgar robótico que permite ampliar las capacidades mecánicas naturales ...
Hace 1 día · Biodiversity is commonly measured in terms of taxonomic richness of a geographic area over a time interval. In order to calculate biodiversity, species evenness, species richness, and species diversity are to be obtained first. Species evenness [209] is the relative number of individuals of each species in a given area.
