Olive turtle: appearance, way of life and the population of the animal

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2018-03-19 13:15:51

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The Marine olive Ridley turtles also called ridleyi. The species is considered vulnerable due to a number of threats. To meet representatives of the genus Ridley most of the coastal parts of subtropical and tropical sea or ocean.

Description

Olive tortoise can grow up to 70 cm in length. The weight of her body does not exceed 45 kg. the shape of the carapace heart-shaped, color – gray-olive. Turtles are born black, eventually become lighter. Have a triangular shaped head with shallow concavity. The front part of the carapace is curved upward. Males and females have a more massive jaw, sunken plastron and a thick tail.

Olive tortoise description

Habitat

Comfortable for an olive Ridley places are the shores of the Indian and Pacific oceans, southern Australia, New Zealand, Micronesia, Japan, and Northern regions of Saudi Arabia. Less common in the Caribbean sea and the territory of Puerto Rico. In water, the animal may dive to a maximum depth of 160 m.

Lifestyle and nutrition

The Behavior of olive Ridley turtles is characterized by a steady calm. In the morning they are in search of food, and the rest of the day is carried out in a continuous swimming on the surface of the water. Prefer all the time to be in the company of their own kind. From the sudden cooling of water saved that gather in large numbers, thereby keeping heat. In moments of imminent danger prefer in any way to avoid it. On land the threat to their lives are wild pigs, opossums, and snakes, who are ruining the brickwork.

Olive Ridley turtles

Olive tortoise can be called omnivorous, but prefer animal food. Its usual diet consists of various invertebrates (shrimps, crabs, snails, and jellyfish). Also eats algae. Sometimes swallowing inedible objects, including trash thrown by people (the fragments of plastic bags, Styrofoam, etc.). While in captivity may eat members of their own species.

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Reproduction

Every spring or early summer (onset of breeding season depends on the place of mating) adult olive Ridley turtles, photo which is presented below, returns to the beach where he first saw the light, to continue its kind. Moreover, the place of reproduction throughout the life cycle remains unchanged. This phenomenon is called "arribada" (Spanish. “coming”). The place of birth of the turtles is determined accurately, despite the fact that adolescence can survive in other areas. According to the assumptions of biologists, as a guide olive Ridley use the Earth's magnetic field.

Olive turtle Red kniga

The Animal is considered Mature when its body length is not less than 60 cm Mating of the male and female occurs in the water and laying eggs-on land. First female rake hind legs in a hole with a depth of about 35 cm. Next, the female lays about a hundred eggs, then back asleep its sand and preceptive, thereby making a place inconspicuous to natural enemies. In this maternal mission of the turtle is over – she returns to region of residence. Offspring is offered by itself or accident.

Temperature is a key factor influencing the gender of a reptile. In a cold environment are formed in males, and in the warm (30 degree Celsius) – female. The incubation period lasts about 45-50 days. At the end of this period, hatched turtles reach the sea or ocean water. They do it exclusively at night, thereby reducing the risk of encountering predators. Special eisawy tooth cleverly allows turtles to break through the shell.

Population

In the water and on land is home to many creatures that attempt to eat olive Ridley. Embryos eat the coyotes, crows, dogs, vultures, and others. Hatched young turtles feed on these predators, as well as frigates and snakes. In the sea the ocean and the main danger is sharks. A large part of the turtles manages to survive until puberty, causing the number of species rapidly decreases.

There are other reasons, because of which the species listed in the Red book. Olive turtle is the constant victim of illegal trapping. For poachers are valuable as the adults, and egg embryos. Further, Ridley fall to the kitchens of trendy restaurants, among visitors of which demand dishes made from turtle meat.

Olive tortoise photo

The Amount of litter is also dependent on environmental factors and natural disasters. Debris drifting in the ocean, curious turtle loves to swallow, thus causing your body irreparable harm. Reptiles are often caught in fishing nets. It threatens the animal a quick death. Recently, however, fishermen using modern networks in which overall the turtle cannot be confused.

Many residents of India and Mexico as voluntary and at the state level using the incubation method, and then released born olive Ridley turtles in the long-awaited water. As for life expectancy, the age of the most agile animals can reach 70 years.


Article in other languages:

BE: https://tostpost.com/be/nav-ny-gramadstva/12929-al-kavaya-charapaha-zneshn-vyglyad-lad-zhyccya-papulyacyya-zhyvel-naga.html

DE: https://tostpost.com/de/news-und-gesellschaft/12930-olive-schildkr-te-das-aussehen-die-lebensweise-und-die-population-des-.html

ES: https://tostpost.com/es/noticias-y-sociedad/12939-oliva-de-la-tortuga-la-apariencia-el-estilo-de-vida-y-la-poblaci-n-ani.html

KK: https://tostpost.com/kk/zha-aly-tar-o-am/12933-olivkovaya-s-o-syrt-y-t-r-m-r-salty-men-zhanuarlar-populyaciyasy.html

PL: https://tostpost.com/pl/aktualno-ci-i-spo-ecze-stwo/12928-gaj-w-wygl-d-styl-ycia-i-populacja-zwierz-t.html

PT: https://tostpost.com/pt/not-cias-e-sociedade/12922-oliveiras-da-tartaruga-a-apar-ncia-o-estilo-de-vida-e-a-popula-o-anima.html

TR: https://tostpost.com/tr/haber-ve-toplum/12935-zeytin-kaplumba-a-bir-d-g-r-n-m-ya-am-tarz-ve-hayvan-n-fusu.html

UK: https://tostpost.com/uk/novini-ta-susp-l-stvo/12929-olivkova-cherepaha-zovn-shn-y-viglyad-spos-b-zhittya-populyac-ya-tvari.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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