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[6] [8] Paleotragus resembled the okapi and may have been its ancestor. [6] Others find that the okapi lineage diverged earlier, before Giraffokeryx . [ 8 ] Samotherium was a particularly important transitional fossil in the giraffe lineage, as the length and structure of its cervical vertebrae were between those of a modern giraffe and an ...
Around the same time the aquatic, scorpion-like eurypterids became the largest ever arthropods, some as long as 2.5 m (8 ft 2 in). [ 100 ] The oldest known arachnid is the trigonotarbid Palaeotarbus jerami , from about 420 million years ago in the Silurian period. [ 101 ] [
Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft). They have complex ecologies and interactions with each other and their environments, forming intricate food webs . The scientific study of animals is known as zoology , and the study of animal behaviour is known as ethology .
The jaguar (Panthera onca) is a large cat species and the only living member of the genus Panthera that is native to the Americas.With a body length of up to 1.85 m (6 ft 1 in) and a weight of up to 158 kg (348 lb), it is the biggest cat species in the Americas and the third largest in the world.
The red panda (Ailurus fulgens), also known as the lesser panda, is a small mammal native to the eastern Himalayas and southwestern China.It has dense reddish-brown fur with a black belly and legs, white-lined ears, a mostly white muzzle and a ringed tail.
Wildfires in the greater Los Angeles area continued to burn mostly out of control on Thursday, with at least five blazes engulfing more than 45 square miles.. At least 16 people have died as a ...
Most passerine birds have 12 tail feathers but the superb lyrebird has 16, [13] and several spinetails in the family Furnariidae have 10, 8, or even 6, as is the case of Des Murs's wiretail. Species adapted to tree trunk climbing such as treecreepers and woodcreeper have stiff tail feathers that are used as props during climbing. [ 14 ]
Oil extended gains to hit a five-month high on Monday as worries grew over supply disruptions impacting big importers China and India following wide-ranging sanctions against Russian crude.