Real 4 headed Snakes you have never seen before
Solid is the common name for a group of animals carnivorous reptiles, not long legs and round body (cylinder), suborder Serpentes, can be distinguished from legless lizards by characteristics such as no eyelids and external ear. Like the scaly reptiles (Squamata) Other, snakes are vertebrate, with membranes, heat exchange with overlapping scales cover the body. Many snakes have skulls with many more joints of the animal ancestors of our lizard forms, allowing them to swallow prey much larger than their heads with the high mobility of the jaw. To match the streamlined body and its narrow, the agency’s solid pair (such as the kidneys) is arranged in this type located in front of the other instead of horizontal rows on the sides, and the majority of snakes only one lung operation. Some species remain a pelvic girdle with a pair of claws in the form of traces of either party cloaca.
The extant snakes are found on almost every continent (except Antarctica), in the heart of the ocean as the Indian Ocean and the Pacific Ocean, and on the majority of the smaller continental blocks – foreign charter includes several large islands such as Ireland and New Zealand, and many small islands in the Atlantic and Central Pacific. On their 20 snakes now being recognized, including 500 spent with about 3400-3550 species. Their size ranges from small, like snakes only (Barbados Threadsnake) only about 10 cm (4 inches), until Leopard large python (Python reticulatus) up to 8.7 m (29 ft). The species is found in Titanoboa cerrejonensis fossil is 15 meters long (49 ft). It is thought that snakes evolved from lizards animals or live shape digging or aquarium in the middle Cretaceous period, and the earliest known fossils dating back about 112 Ma. The variety of snakes appeared in the Paleocene (about 66 to 56 Ma).
Most snakes are not venomous, and the venomous species are mainly used it to kill or subdue prey rather than for defense. Some species have venom strong enough to cause a painful wound or kill people. The non-venomous snakes either swallow prey alive or kill it by wrapping and twisting screw.