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  "Vaquita" World's rarest creature Conservation status: Critically Endangered (Population decreasing)  Scientific name: Phocoena sinus Class: Mammalia Phylum: Chordata Family: Phocoenidae Order: Artiodactyla Vaquita:- The vaquita (Phocoena sinus), literally "little cow", is species of porpoise endemic to the northern end of the Gulf of California (Sea of Cortez, Vermilion Sea). Averaging 150 cm (for females) or 140 cm (for males) in length, it is the smallest of all living cetaceans. Today, the species is on the brink of extinction. Recent research estimates the population at fewer than 19 individuals. The steep decline in abundance is primarily due to bycatch in gillnets from the illegal totoaba  fishery. Taxonomy:- The vaquita was first described as a species by marine biologists Kenneth S. Norris and William N. McFarland in 1958 after studying the morphology of skull specimens found on the beach. It was not until nearly thirty years later, in 1985, that fres...

  "Trimeresurus insularis" Higher classification: Trimeresurus albolabris Scientific name: Trimeresurus albolabris insularis Conservation status: Least Concern Encyclopedia of Life Rank: Subspecies Species: T. insularis Family: Viperidae About:- Trimeresurus insular is a venomous pit viper subspecies found in Indonesia and East Timor. Common names include: white-lipped Island pit viper, lesser sunda pit viper, and Island pit viper. Description:- The scalation includes 21 rows dorsal scales at midbody, 156-164/156-167 ventral scales in males/females, 70-75/54-59 subcaudal scales in males/females, and 7-12 supralabial scales. Their color patterns are often found to be green or a blue-green color with specific populations even containing yellow variants as well.  Geographic range:- Found in Indonesia on eastern Java, Bali, Lombok, Sumbava, Suma, Komodo, Ronda, Flores, Adonara, Lembata, Pantar, Alor, Roti, Semau, Timor, Wetar, Kisar  and Romang. The type locality given is "S...

  "Glaucus Atlanticus" The blue dragon Class: Gastropoda Family: Glaucidae Scientific name: Glaucus Atlanticus Kingdoms: Animalia Higher classification: Glaucus Phylum: Mollusca About:- Glaucus Atlanticus (common names include the sea swallow, blue angel, blue glaucus, dragon slug, blue dragon, blue sea slug and blue ocean slug) is a species of small, blue sea slug, a pelagic aeolid nudibranch, a shell-less gastropod mollusk  in the family Glaucidae . These sea slugs are pelagic, they float upside down by using the surface tension of the water to stay up, where they are carried along by the winds and ocean currents. Glaucus Atlanticus makes use of countershading: the blue side of their body faces upwards, blending in with the blue of the water. The silver/grey side of the sea slugs faces downwards, blending in with the sunlight reflecting on the ocean's surface when viewed facing upwards underwater. Glaucus Atlanticus feed on other pelagic creatures, including the Portugu...

  "Sloth"  World’s slowest animal The Sloth's weight is 11.2 ounces at birth. How big can a Sloth get:- Brown-throated sloth: 42 – 80 cm. Maned sloth: 55 – 75 cm. Pale-throated sloth: 50 – 75 cm. Sloths sleep up to:  15-18 hours per day. About:- Sloths are a group of arboreal Neotropical xenathran mammals, constituting the suborder Folivora. Noted for slowness of movement, they spend most of their lives hanging upside down in the trees of the tropical rain forests of South America and Central America. They are considered to be most closely related to anteaters, together making up the xenarthran order Pilosa. There are six extant sloth species in two genera – Bradypus (three–toed sloths) and Choloepus (two–toed sloths). Despite this traditional naming, all sloths actually have three toes on each rear limb, although two-toed sloths have only two digits on each forelimb. The two groups of sloths are from different, distantly related families, and are thought to have evolved ...

  "Secretary Bird" Higher classification:- Sagittarius Scientific name:- Sagittarius serpentarius Family:- Sagittariidae Class:- Aves Rank:- Species Phylum:- Chordata About:- The secretary bird or secretary bird (Sagittarius serpentarius) is a large, mostly terrestrial bird of prey. Endemic to Africa, it is usually found in the open grasslands and savanna of the sub Saharan region. Jhon Frederick Miller described the species in 1779. Although a member of the order Accipitriformes, which also includes many other diurnal birds of prey such as kites, hawks, vultures, and harriers, it is placed in its own family, Sagittariidae. The secretary bird is instantly recognizable as a very large bird with an eagle-like body on crane-like legs that give the bird a height of as much as 1.3 m (4 ft 3 in). The sexes are similar in appearance. Adults have a featherless red-orange face and predominantly grey plumage, with a flattened dark crest and black flight feathers and thighs. Breeding ca...

 "Saint Lucia racer" World’s rarest snake: Saint Lucia racer Kingdom: Animalia Phylum: Chordata Class: Reptilia Order : Squamata Suborder: Surpentes Family: Colubridae Genus: Erytholamprus Species: E. Ornatus Binomial name: Erytholamprus Ornatus It’s slithery, brown, and doesn’t mind being picked up: meet the Saint Lucia racer (Liophis ornatus), which holds the dubious honor of being the world’s most endangered snake. A five month extensive survey found just 18 animals on a small islet off of the Caribbean Island of Saint Lucia. The snake had once been abundant on Saint Lucia, as well, but was decimated by invasive mongooses. For nearly 40 years the snake was thought to be extinct until in 1973 a single snake was found on the Maria Major Island, a 12-hectare (30 acre) protected islet, a mile off the coast of Saint Lucia (see map below). After catching and tagging 10 individuals, scientists now believe 18 may survive in total. The island is free of the mongoose that have kille...