1. Appearance: the turtle is oval in shape and flatter than the turtle. From the appearance color, the turtle's back and limbs are usually dark green, some are light brown, and the abdomen is white and red. Its head is like a turtle, and its dorsal abdominal armor is covered with a soft outer membrane, which is softer than a turtle without the stripes like a turtle.
2. Habits: Terrestrial turtles are mostly herbivores, turtles are mostly carnivorous, and other species are omnivorous. Temperate species dormant in winter (hibernation), tropical species dormant in high temperature period (summer dormancy). Turtle is a warm-blooded animal. It breathes with its lungs. I like living in rivers, lakes and ponds. Often float to the surface, stretch out the tip of the kiss to breathe, and often bask in the back on land.
The bite force of tortoise is stronger than that of most turtles. The tortoise can contract the whole body, but not the tortoise.
Oh, the legendary turtle or turtle in the sea. The Goddess Mends the Sky once said that "breaking the aojiang is enough to set up four poles", and there are three fairy mountains in the East China Sea: Penglai, Abbot and Yingzhou.
Extended data:
Identification characteristics of turtles: medium head; The snout is obliquely cut inward and downward; The horny sheath of the beak margin is weak; The angle between the left and right dentate bones of mandible is less than 90 degrees. The carapace has three longitudinal sides.
Morphological description is based on the specimens from Jiangsu, Shanghai, Zhejiang, Anhui, Hubei and Guangxi, with 9 males, 8 females and 2 larvae *** 19. The male carapace is 94 ~ 168 mm long and 63.2 ~ 105 mm wide. The female carapace is 73.1~170mm long and 52 ~1/6.5mm wide. The head is of medium size, and its width is about 1/4 ~ 1/3 of the width of the carapace. The front of the head is smooth and the back is covered with polygonal fine lines and scales; The kiss is short, the end slightly exceeds the mandible, and it is obliquely cut inward; The edge of the upper beak is straight or slightly concave in the middle; The eardrum is obvious.
Commonly known as "turtle", "water fish", "tuanyu" and "tortoise" Turtles are reptiles and amphibians with almost the same habits as fish. The difference is that it breathes with lungs instead of gills. The tortoise's body is almost round, its back is made of nails made of bones, its center is slightly raised, its body is covered with a layer of leather, and its chest is composed of bone fragments and cartilage.
Short and powerful limbs, webbed toes; The neck is thick and long, elastic, and the head is small, which is similar to the neck thickness, and the head and neck can be retracted into the shell at any time; He has a big mouth, bony teeth, a strong jaw and is good at biting people. It is a weapon for foraging and self-defense. The back nail, head and neck are muddy brown, and the abdomen is white and green.
Ao is a turtle or soft-shelled turtle in the ancient legend. So Nu Wa refined five-color stones to fill the sky, and broke Ao Bai's four poles. It is also said that there are three fairy mountains in the East China Sea: Penglai, abbot and Yingzhou. -"Huainan Li". One theory is that ichthyosaurs have a glans and a carp tail; Another way of saying it is chinemys reevesii in the sea; There is also a saying that the dragon is the eldest of the nine sons. According to legend, "the dragon gives birth to nine children, and the head is the dragon head, turtle body and unicorn tail".
References:
Baidu encyclopedia-tortoise
Baidu encyclopedia-tortoise
Baidu encyclopedia-ao