Search results
Results from the WOW.Com Content Network
The spotted hyena is very vocal, producing a number of different sounds consisting of whoops, grunts, groans, lows, giggles, yells, growls, laughs and whines. [47] The striped hyena is comparatively silent, its vocalizations being limited to a chattering laugh and howling. [48] Whoop of a spotted hyena in Umfolosi Game Park, South Africa.
Pachycrocuta is an extinct genus of prehistoric hyenas.The largest and most well-researched species is Pachycrocuta brevirostris, colloquially known as the giant short-faced hyena as it stood about 90–100 cm (35–39 in) at the shoulder [1] and it is estimated to have averaged 110 kg (240 lb) in weight, [2] approaching the size of a lioness, making it the largest known hyena.
All show features of convergent evolution with canids, including non-retractile claws, long muzzles, and adaptations to running for long distances. They are extant in the Middle East, India and Africa. Hyenas are large, powerful animals, up to 80 kg (176 lb) and represent one of the most prolific large carnivorans on the planet.
It is still unclear whether the genus evolved in Africa or Asia, although the oldest known fossils are from Africa and dated to about 3.8 mya. [1] The earliest remains from Asia currently attributed to the genus is Crocuta honanensis from the Early Pleistocene of China dating to around 2.5-2.2 million years ago, but its relationship to the living spotted hyena is ambiguous.
Striped hyena scavenging in Mirzapur forest division, India. The striped hyena is primarily a scavenger which feeds mainly on ungulate carcasses in different stages of decomposition, fresh bones, cartilages, ligaments, and bone marrow. It crushes long bones into fine particles and swallows them, though sometimes entire bones are eaten whole. [32]
The spotted hyena (Crocuta crocuta), also known as the laughing hyena, [3] is a hyena species, currently classed as the sole extant member of the genus Crocuta, native to sub-Saharan Africa. It is listed as being of least concern by the IUCN due to its widespread range and large numbers estimated between 27,000 and 47,000 individuals. [1]
A phylogenetic tree, phylogeny or evolutionary tree is a graphical representation which shows the evolutionary history between a set of species or taxa during a specific time. [ 1 ] [ 2 ] In other words, it is a branching diagram or a tree showing the evolutionary relationships among various biological species or other entities based upon ...
Chasmaporthetes, also known as hunting or running hyena, is an extinct genus of hyenas [1] [2] [3] ...