Dilophosaurus (/daɪˌloʊfəˈsɔːrəs, –foʊ–/[1] dy-loaf-o-sawr-əs) is a genus of theropod dinosaur. It contains a single known species, Dilophosaurus wetherilli, known from fossil remains found in the Kayenta formation of Arizona. This rock formation has been dated to the early Jurassic Period (Sinemurian age), about 193 million years ago. Dilophosaurus was among the largest carnivores of its […]
Agilisaurus (/ˌædʒᵻlᵻˈsɔːrəs/; ‘agile lizard’) is a genus of ornithischian dinosaur from the Middle Jurassic Period of what is now eastern Asia. The name is derived from the Latin “agilis” meaning ‘agile’ and the Greek “sauros” meaning ‘lizard’, and refers to the agility suggested by its lightweight skeleton and long legs. Its tibia (lower leg bone) […]
The Falkland Islands wolf (Dusicyon australis), also known as the warrah and occasionally as the Falkland Islands dog,Falkland Islands fox, or Antarctic wolf, was the only native land mammal of the Falkland Islands. This endemic canid becameextinct in 1876, the first known canid to have become extinct in historical times. It was the only modern […]
Climate change is a change in the statistical distribution of weather patterns when that change lasts for an extended period of time (i.e., decades to millions of years). Climate change may refer to a change in average weather conditions, or in the time variation of weather around longer-term average conditions (i.e., more or fewer […]
A dragonfly is an insect belonging to the suborder Anisoptera (from Greek ανισος anisos, “uneven” + πτερος pteros, “wings”, because the hindwing is broader than the forewing). It is characterized by large multifaceted eyes, two pairs of strong transparent wings, sometimes with coloured patches, and an elongated body. Dragonflies can be mistaken for the related […]
The Exocoetidae are a family of marine fish in the order Beloniformes of class Actinopterygii. Fish of this family are known as flying fish. About 64 species are grouped in seven to nine genera. Flying fish can make powerful, self-propelled leaps out of water into air, where their long, wing-like fins enable gliding flight for […]