Mostly plants. Mailing Address. Their huge size is likely an adaptation to their environment - … These side-necked turtles don’t pull their head straight into their shell. Smithsonian’s National Zoo & Conservation Biology Institute 3001 Connecticut Ave., NW Washington, DC 20008. They are highly aquatic; typically, the females only leave the water to bask and lay 50–150 eggs at communal nesting sites during the dry season. It is also established in parts of Florida as a result of escaped or released pets. ... Genome duplications as evolutionary adaptation strategy. Lakes, ponds, swamps, and lagoons. FEEDING AND DIET Most Amazon aquatic turtles are at least partly carnivorous, feeding on slow-moving invertebrates such … Found only in the Brazilian and Peruvian Amazon Basin, these Yellow Foots are an incredible sight in person. • The yellow-spotted Amazon River turtle is diurnal and is most active in mid-morning and afternoon. Instead, they curve their neck and tuck it between their front legs. PO Box 37012 MRC 5516 Washington, DC … 18 hours ago. As ectothermic (cold-blooded) animals, this behavior functions to warm their bodies. It has a dark head with yellow spots and a yellow, semi-hinged plastron that allows the tortoise to pull its head and front legs into its shell for protection. The tortoise's legs and tail are generally brown. Yellow-Spotted Amazon River Turtle Podocnemis unifilis Range. The spider tortoise is named for the web-like pattern of yellow lines on its dark brown or black carapace, or shell. Pleurodira includes the yellow-spotted Amazon River turtle (Podocnemis unifilis). Population Population threats. The spots fade to almost nothing in females as they age but males retain the bright spots. DESCRIPTION: Yellow Spotted Amazon River Turtles are named for the bright yellow spots seen on their heads which have a base color of olive green or brown.The yellow spots are most prominent in young turtles. Diet. Overview. Visit. The aptly named yellow-spotted Amazon turtles can be recognized by the yellow spots on their heads, which fade with maturation in females but remain present in adult males. Over the last century, this extreme hunting pressure reduced the overall population by 99 per cent, and it is now almost extinct in some places, such as Colombia, as well as the Amazon River … Contact. The yellow-spotted river turtle, P. unifilis, is found in the Caribbean drainages of Guyana, French Guiana, Venezuela, and Colombia, the upper tributaries of the Amazon River in Colombia, Ecuador, Peru, northern Bolivia, Southern Venezuela, and Brazil. Eastern & Central South America; Habitat. The giant South American river turtle is one of the largest freshwater turtles in the world. • Groups of turtles can be seen basking in the sun on logs or stones in the middle of rivers and on the shore. The Yellow‐spotted River Turtle (Podocnemis unifilis) is widespread across the Amazon Basin, but like many other turtles their populations have been decimated by humans. The yellow-spotted Amazon river turtle or yellow-spotted river turtle (Podocnemis unifilis) is one of the largest South American river turtles.It can grow up to 45 cm long and weigh up to 8 kg. Yellow-spotted Amazon river turtle; Science at Work Help This Species. General Info | 202-633-4888. The commonest species, the yellow-spotted river turtle, ranges across northern South America, but the extent of its range is not well documented. For many years, this species was hunted heavily for its tough skin, to make shiny, black leather. 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