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5 giorni fa · Penguins in the Southern Hemisphere evolved similarly to flightless wing-propelled diving auks in the Northern Hemisphere: the Atlantic great auk and the Pacific mancallines.
3 giorni fa · A species may become functionally extinct when only a handful of individuals survive, which cannot reproduce due to poor health, age, sparse distribution over a large range, a lack of individuals of both sexes (in sexually reproducing species), or other reasons.
4 giorni fa · While many species of animals waver over the lines of endangerment, some fall too far past saving and ultimately find themselves extinct. See what you know about these animals that cease to exist on our planet.
2 giorni fa · Great auk: Pinguinus impennis: Northern Atlantic and western Mediterranean Last recorded off the Newfoundland Banks in 1852. It was hunted to extinction.
3 giorni fa · The estimated total number of placozoan species is 80 species or more [3]. To resolve the relationships between the discovered lineages and to assign new species and higher taxonomic units a recent study addressed the question of morphological differences.
4 giorni fa · kangaroo. Female kangaroo with joey in pouch, Australia. The distribution of climates, topography, and soils that has produced the zones and ecological variation of Australian vegetation has also been reflected in the distribution of animal life. Australia probably has between 200,000 and 300,000 species, about 100,000 of which have been described.
1 giorno fa · MilliBase is a global taxonomic database, managed by a group of diplopod experts that aims to capture all described millipede, pauropod and symphylan species with the associated literature, the authorities and original descriptions of species, genera and all units of higher classification.
