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Josephoartigasia monesi may now be known as the largest rodent to have ever lived, but it still has a number of super-sized extant relatives. The fourth largest of living rodents is the mara (Dolichotis sp.), of which there are two species (the one pictured above is the Patagonian mara, Dolichotis…
A capybara (Hydrochoerus hydrochaeris) at the Cape May Zoo. Josephoartigasia dwarfs this animal, the largest of the living rodents.
One of the most interesting evolutionary patterns is an increase in the disparity of sizes in a group, small representatives persisting and changing even as some…
A Plains zebra (Equus quagga), photographed last year at the Philadelphia Zoo.
A female African elephant (Loxodonta africana), photographed last year at the Philadelphia Zoo.
they are really beautiful creatures arent they