Otters are carnivorous mammals from the Mustelidae family, including weasels and badgers. They are available in different aquatic habitats across the globe, which are known to be generally playful and powerful swimmers.
Okapis are rare artiodactyl mammals found extensively in the deep, dense forests of the Democratic Republic of Congo. It somewhat resembles a zebra but is actually closer to a giraffe.
There are over 126 opossum species in the Americas. Opossums are nocturnal scavengers and best known for their playing dead technique when threatened.
Orangutans are the apes that inhabit the rainforests in Borneo and Sumatra. Intelligent and solitary, they are known for its exceptionally long arms and extraordinary capacity for solving problems.
Orca or killer whale, is a large toothed whale and the biggest member of the dolphin family. They are found in oceans across the world, which are among the apex predators due to striking black-and-white markings.
A medium-sized wild cat, the ocelot is known to be endemic to the Americas , stretching from the U.S. to Argentina. The cat is an agile nocturnal hunter, making its identification easy when spotted due to a coat spattered with spots.
The onager, or Asiatic wild ass, is a fast and solid horse family member. These desert dwellers belong to Asia; they have speed and endurance.
Ovenbird is a songbird found in North and Central America. Its migratory habit and call make this bird quite distinctive.
Orinoco crocodile is a critically endangered species that hails from the regions along the banks of the Orinoco River in Venezuela and Colombia.