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 […]
The Galápagos tortoise or Galápagos giant tortoise (Chelonoidis nigra) is the largest living species oftortoise and the 14th-heaviest living reptile. Modern giant tortoises can weigh up to 250 kg; even larger versions, now extinct, roamed every continent except Antarctica and Australia into the Pleistocene (<1.8 million years ago). Today, they exist only on two remote archipelagos: […]