The Rhinoceros Ratsnake (Gonyosoma boulengeri) is a non-venomous colubrid reptile in the Colubridae family. It is also known as the Vietnamese Longnose Snake.
It is oviparous because it lays eggs. The female lays 5-10 eggs, which hatch after about 60 days.
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What does the Brown Rat (Rattus norvegicus) drink?
The Brown Rat, common on all continents except Antarctica, is an omnivore, eating almost anything.
The Brown Rat drinks water. It needs to keep hydrated, especially in summer. It drinks freshwater, not salt water.
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What is inside a bird egg?
An egg is made of several elements, such as a shell, two shell membranes (inner and outer membranes), a vitelline membrane, an air chamber, the chalazae, the egg white (called albumen), the yellow egg yolk, and a germinal disc.
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What is a floodplain?
A plain is a large flat area of land.
A floodplain is a large area of flat land next to a river or stream that often becomes flooded with water.
When the water in a river or stream rises and breaks the banks, flowing across the plain, the plain is flooded. The flood waters form marshes, lakes, and pools.
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Bird eggs can be many colours.
Different bird species lay different coloured eggs. The eggs can be all one colour or they can have stains, called blotches, spots, patterns, speckles, and markings.
Most birds lay white, cream, or light beige eggs.
Birds that have nests in trees and shrubs usually have blue to green eggs, plain or spotted.
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The Palm-Nut Vulture (Gypohierax angolensis) is a bird of prey, a raptor, and an accipiter. It is also known as the Vulturine Fish Eagle. It is related to the buzzard and the eagle.
The adult Palm-Nut Vulture is all white except for black areas in its wings and tail. It has a red patch around each eye.
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What is a marine animal?
A marine animal is any animal (and bird) that lives in and around the ocean and its waters (saltwater).
A marine animal can have gills (to breathe air when they are underwater) or lungs (to breathe air at the surface of the water).
A marine animal can have fins or be finless. It can live in the middle of the ocean or on the bottom of the sea. It can fly and live around ocean coasts.
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What is a crustacean?
A crustacean is an arthropod with a hard exo-skeleton, called a carapace.
A crustacean includes the crab, lobster, crayfish, shrimp, prawn, krill, woodlouse, sandhopper, and barnacle.
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What is an instar?
An instar is the development stage of an insect between each stage of moulting, or shedding its skin.
For example, each stage from egg to larvae (grub) to pupa (chrysalis or cocoon) to an adult insect, as an insect undergoes metamorphosis, is called an instar.
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What are mammary glands?
Mammals have mammary glands.
Mammary glands on a female mammal provide milk for her babies. This is called lactation.
Male mammals have undeveloped mammary glands that do not produce milk.
Babies suckle the mammary glands. This is called nursing.
The number of mammary glands depends on the species of mammal.
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What is plantigrade locomotion?
Plantigrade locomotion is the way some animals walk with their toes and metatarsals (heels) flat on the ground.
Terrestrial (land) mammals have three ways of walking:
(1) digitigrade (walking on their toes with their heels permanently raised),
(2) unguligrade (walking on the nail of their toes – the hoof – with the heel permanently raised), and
(3) plantigrade (walking with their toes and heels on the ground).
The leg of a plantigrade mammal includes the bones of the upper leg, called the femur and humerus, and the bones of the lower leg, called the metatarsals and metacarpals.
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A horse is an ungulate (hoofed) mammal.
The horse is an odd-toed ungulate, with a hoof that has one toe.
The hoof is not stiff and rigid. The hoof is elastic and flexible.
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What is nesting?
Nesting means to build a place for female birds or other animals (such as turtles or lizards) to lay her eggs.
A nest is usually made of twigs, grass, or mud, and is located in hollow trees, on a tree branch, on the ground or in a number of other safe locations.
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What do parrots eat?
Parrots have a strong curved beak which can crack open nuts and seeds.
Their beaks and their brush-tipped tongues can also get to the seeds in fruit.
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What is a caterpillar?
A caterpillar is the larval stage of a butterfly or moth.A caterpillar pupates – it makes a chrysalis or a cocoon, which is a casing. Inside the casing, the caterpillar undergoes metamorphosis (changes), and it emerges as an adult butterfly.
A caterpillar has a soft body without an internal skeleton, so it is an invertebrate.
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What is a bird’s egg tooth? How is it used when it hatches from its egg?
When a chick is ready to hatch out of its egg it must break the egg shell.
The chick has a small, sharp, white, projection on the tip of its beak, called an egg tooth.
It is not really a tooth. It is a hard piece of the beak’s tip.
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A goat has four legs. It has knee pads on its two front legs.
A goat kneels on its two front legs to eat grass. Therefore, the knee pads protect the goat’s knees.
The knee pads are hard, hairless, rough calloused patches of skin.
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A frog has bulging eyes.
A frog has three eyelid membranes. One is transparent (see through) to protect the eyes when the frog is underwater. The other two eyelid membranes vary from translucent (clear) to opaque (cloudy).
Its eyes are at the top of its head, and may be the only part of a submerged frog that is seen above the water.
A frog’s iris can have a range of colours and its pupil can be a variety of shapes.
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Sharks do not have lungs. They breathe through gills.
Sharks and rays have rows of gill slits on each side of their bodies, just behind their head.
Most sharks have pairs of gills slits.
The gill slits open to enable water to exit their body, and close to prevent water entering their body.
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Many birds eat bees.
The Asian Houbara Bustard can see a bee 60 metres (200 feet) away.
It usually eats a bee when the bee is on a low plant or on the ground. It approaches the bee from behind.
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