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  • Amazon mammals - WWF
    Jaguar (Panthera onca) 2 Revered and feared, the jaguar is the biggest cat of the American continent Despite a wide distribution in rainforests, flooded swamp areas, grasslands, thorn scrub woodlands and dry deciduous forests, it is scattered in these places and generally decreasing in numbers outside of the Amazon rainforest, its main stronghold
  • Marine Mammals - Basic Biology
    Pinnipedia is the class of animals within Carnivora that seals, sea lions and walruses belong to Seals, including sea lions, leopard seals and elephant seals, can be divided into ‘true’ seals and ‘eared’ seals Worldwide there are 18 species of ‘true’ seals, 14 species of eared seals and one species of walrus
  • Biological annihilation via the ongoing sixth mass extinction . . .
    Our most detailed data allow comparison of historic and present geographic range of a sample of 177 mammal species (Figs 5 and 6) Most of the 177 mammal species we sampled have lost more than 40% of their geographic ranges in historic times, and almost half have lost more than 80% of their ranges in the period ∼1900–2015
  • Amazon wildlife | WWF
    To date, at least 40,000 plant species, 427 mammals (e g jaguar, anteater and giant otter), 1,300 birds (e g harpy eagle, toucan and hoatzin), 378 reptiles (e g boa), more than 400 amphibians (e g dart poison frog) and around 3,000 freshwater fishes 1 including the piranha have been found in the Amazon
  • Sea mammals are huge for a reason - Science | AAAS
    To find out why, researchers looked at the sizes of four different evolutionary groups of sea mammals—roughly 4000 living and 3000 fossil species—beginning with the time they diverged from their terrestrial relatives Once they began an aquatic life, these mammals all evolved toward larger sizes over the past 60 million years or so
  • The Weight of Responsibility: Biomass of Livestock Dwarfs . . .
    The biomass of pigs alone is nearly double that of all wild land mammals Domestic dogs’ biomass equals that of all wild land mammals combined The biomass of marine mammals is 40 million tonnes Fin whales have the largest biomass of all marine mammals Sperm whales and humpbacks hold the second and third slots, respectively
  • Agriculture Will Threaten Habitat for 90 Percent of Animal . . .
    Nearly 1,300 species will likely lose at least a quarter of their habitat to food production, according to the new study, published in the journal Nature Sustainability The biggest losses in habitat are projected to take place in sub-Saharan Africa, particularly in the Rift Valley and equatorial West Africa, as well as in the Atlantic





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