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Female caimans build a large nest in which to lay their eggs. The nests can be more than 1.5 m (4.9 ft) wide. Female caimans lay between 10 and 50 eggs, which hatch within about six weeks. Once they have hatched, the mother caiman takes her young to a shallow pool of water, where they can learn how to hunt and swim.
The yacare caiman (Caiman yacare), also known commonly as the jacare caiman, Paraguayan caiman, piranha caiman, red caiman, [5] and southern spectacled caiman, [6] is a species of caiman, a crocodilian in the family Alligatoridae. The species is endemic to Argentina, Bolivia, Brazil, and Paraguay.
The black caiman (Melanosuchus niger) is a crocodilian reptile endemic to South America.With a maximum length of around 5 to 6 m (16 to 20 ft) and a mass of over 450 kg (1,000 lb), [6] it is the largest living species of the family Alligatoridae, and the third-largest crocodilian in the Neotropical realm.
The incubation period is about 115 days and the female caiman remains near the nest for at least the earlier part of this time, providing protection against predators. During incubation, roots may grow through the nest, and soil from the termite mound may cement the eggs together.
They may observe a potential prey, swim away, submerge and return to attack the floating bird or drinking mammal from underwater. Juvenile caimans feed on crustaceans and molluscs while larger animals feed on amphibians, fish, birds, mammals and reptiles. [4] A caiman nest is a mound of vegetation and mud consolidated by the female by lying on it.
The spectacled caiman (Caiman crocodilus), also known as the white caiman, [6] common caiman, [7] and speckled caiman, [8] is a crocodilian in the family Alligatoridae.It is brownish-, greenish-, or yellowish-gray colored and has a spectacle-like ridge between its eyes, which is where its common name come from.
The broad-snouted caiman (Caiman latirostris) is a crocodilian in the family Alligatoridae found in eastern and central South America, including the Pantanal habitat of Bolivia, Southeast Brazil, and Paraguay, as well as northern Argentina and Uruguay. [4]
This caiman sometimes uses a burrow as shelter during the day and in the Pantanal may aestivate in the burrow to stay cool in the dry season. The female buries her eggs on a mounded nest and these take about 3 months to hatch. She helps the hatchlings to escape from the nest and provides some parental care for the first few weeks of their lives.