ARUBAN ISLAND RATTLESNAKE

Crotalus unicolor

Physical Characteristics

·         This snake can be many colors with a powdery look on its skin.  It also has diamond-shaped markings from the head to the tail.

·         Size of average adult is usually less than 30 inches in length.

Diet

·          Small rodents, birds and whip-tail lizards

Behavior

·         Kills prey with venom but prey is digested before the snake starts to eat.

·         Will not attack unless provokes, no natural enemies 

·         Males fight for attention from females, they twist their bodies around each other and try to down.

·         Mating starts at 4-5 years old and give birth to 5-15 young

Environmental/Global

·         They live in tropical desert, 230 wild, habitat being destructed           


                       

Dumeril's Ground Boa

Acrantophis dumerili

Physical Characteristics

·         These snakes have gray and brown bands with black markings. Their pupils are vertical.

·         Size of average adult is 4-6 feet in length

Diet

·          Small mammals

Behavior

·         Kills prey by constriction on the ground

·         Believed to be a nocturnal predator

·         These snakes mate from March to May and give birth in January

Environmental/Global

·         Live in dry forest, no known numbers of snake left in wild, habitat being destroyed for agricultural purposes


 

 

Jamaican Boa

Epicrates subflavus

Physical Characteristics

·         The background color is usually a deep tan, reddish-brown or olive with many black or partially black scales. The tail is mostly black.

·         Size of average adult is 6.5 feet

Diet

·         Small mammals (rodents and bats) and small birds

Behavior

·         Kills its prey by constriction

·         Nocturnal

·         Lives on ground and in trees

·         Mates February to early April and give birth from October to December

Environmental/Global

·         Moist limestone forests, also found in rock cracks, caves and trees  in Jamaica and Goat Island, do not know amount in wild, endangered because forests being cleared and hunted by other animals


 

Ocellated Mountain Viper

           Vipera wagneri

Physical Characteristics

·         These snakes are gray with circular, black-bordered, brown to orange spots. There is a pair of tear drop shaped black spots at the base of the head.

·         Size of average adult is 24-30 inches

Diet

·         Small mammals, birds and lizards

Behavior

·         Kills its prey with its venom

·         Mainly nocturnal but can be active during the day

·         Mates between March and May and give birth during July or August

Environmental/Global

·         They live in rocky, grassy mountains at elevations 5250 to 6230 feet located near Lake Urmia in northwest Iran and Turkey, no numbers known in wild.


 

Copperhead Osage

Agkistrodon contortrix phaeogaster

Physical Characteristics

·         These snakes are gray to light brown with dark gray or brown crossbands. The crossbands are narrow on the back and wide on the sides of the body. The head is gray, brown or reddish. Its belly is white with large dark gray, brown or black blotches on the edges extending up the sides of the body.

·         Size of average adult is 24 - 36 inches.

Diet

·          Insects, frogs, toads, lizards and small birds 

Behavior

·         Active during the day in spring and fall, sits coiled waiting for prey

·         Active at night during summer, prowls for food

·         Breeding season is April – August, give birth to about 5 at a time and the young have venom at birth.

Environmental/Global

·         Habitat: rocky hillsides of deciduous forests near streams and ponds in mid-Atlantic, southeast and south-central United States


 

Prairie Rattlesnake

Crotalus viridis viridis

Physical Characteristics

·         The head, body and tail are a greenish-gray to brown with dark brown blotches on the back. The belly is grayish-white. The tail has a rattle.

·         Size of average adult is 35 - 45 inches long.

Diet

·          Rats, mice, gophers and young prairie dog

Behavior

·         Retreats to burrows during hot day temperatures and during cold winter temperatures

·         Active during the day from April to October

·         Aggressive

·         Mates in early spring and produces young every other year averaging 11 and young are venomous at birth.

Environmental/Global

·         They live in rocky canyons or open prairie where there is a lot of small burrows usually in the western United States.


 

 

Timber Rattlesnake

Crotalus horridus

Physical Characteristics

·         Head and body are pinkish-gray to yellowish-brown with a pattern of dark bands on the back and a grayish-white belly. The tail is black with a rattle.

·         Size of average adult is 3-4.5 feet

Diet

·         Mice, rats, squirrels, rabbits, bats and other small mammals

Behavior

·         Active during the day in spring and fall

·         Active at night in summer

·         Retreats into burrows in winter

·         Spends long periods of time coiled waiting for prey

·         Mates in spring and has offspring every other year with 10 in a litter and young are venomous at birth

Environmental/Global

·         They live in heavily vegetated, rocky forested hillsides mostly in the eastern half of the United States


 

 

 

Western Massasauga

Sistrurus catenatus

Physical Characteristics

·         The head, body and tail of these rattlesnakes are gray or light brown with dark gray or brown blotches on the back and tail. The belly is white or cream with brown or gray blotches along the edges. The tail has a rattle.

·         Size of average adult is 18 - 26 inches long.

Diet

·         Frogs, lizards, other snakes and rodents

Behavior

·         Active during the day in spring and fall

·         Active at night during the summer

·         Spends much of its time laying in the sun waiting for food

·         Mates in spring and fall, gives birth to 5-13 young in litter and young are venomous at birth

Environmental/Global

·          They live in dry, open prairie and rocky prairie hillsides found in the south central and Great Lakes area of the United States


 

Boa Constrictor

Boa constrictor

Physical Characteristics

·         These snakes are cream to brownish on top with a series of saddle-like bands, the markings become wider toward the tail and color intensifies to deep red-brown edged with black and cream. The flanks show irregular rhombic patterns. The whole body, including the belly, is splashed with dark spots.

·         Size of average adult is 6.5 –11.5 feet long and weighs 30-40 pounds

·         They live about 30 years in captivity

Diet

·         Small mammals, birds and lizards

Behavior

·         They live in the trees

·         Catch prey by waiting or sneaking up on it

·         Kill prey by constriction - coils restrain prey, coils tighten as prey exhales and eventually suffocates

·         Egg develops in the female and is covered by membrane not a shell.  The young break membrane before or during birth. Females give birth to 8-60 and larger females can give birth to more

Environmental/Global

·         The live on the edge of deserts to dense, wet jungles and can be found in Argentina to southern Mexico


 

Madagascar Tree Boa

Sanzinia madagascariensis

Physical Characteristics

·         This boa has an olive green coloration with brown spots, pupils are vertical

·         Size of average adult can be as long as 8 feet and up to 10 pounds

Diet

·         Small mammals

Behavior

·         They are nocturnal and live on the ground but will relax in trees during the day

·         Mate at 4-6 years, female gives birth to 1-16 young, young are 6-5 inches long and weigh about 1 ounce

Environmental/Global

·         They live in the tropical rainforest, Madagascar

·         Problems due to habitat destruction


 

Bushmaster

Lachesis muta

Physical Characteristics

·         One of the largest venomous snakes, it is gray and brown with large diamond-shaped blotches on the back. A slender, burr-like arrangement of scales at the tip of the tail makes a sound like a rattlesnake when the snake is disturbed. The head has large venom glands and unusually long fangs.

·         Size of average adult is up to 12 feet long

Diet

·         Mammals

Behavior

·         Quiet and shy

·         Injects large amounts of a weak venom

·         Heat-seeking pits on the head reacts to changes as little as 0.002 degrees Celsius and can find prey whose temperatures is different from surroundings by as little as 0.1 degrees Celsius

·         This is the only viper in the Americas that lays eggs

Environmental/Global

·         It lives in forests and tropics in Central and South America


 

Green Tree Python

Chondropython viridis

Physical Characteristics

·         These constrictors are leaf green with flecks of blue, white or yellow with a broken stripe of yellow or white down the back. The head is so large it looks disproportionate to the width of the body. The crown of the head is covered with small, irregular scales.

·         Size of average adult is 6.5 feet long

Diet

·         Mostly small mammals and reptiles, some birds

Behavior

·         Lives in trees and rests on straight branch coiled in a lot of loops with head resting in the center

·         Hunt in trees

·         Female lays about 15 eggs on forest floor and within few days of hatching, young look to find safety in trees.

Environmental/Global

·         They live in the rainforests of New Guinea and adjacent islands, Cape York Peninsula, Australia and Aru Island


 

Reticulated Python

Python reticulatus

Physical Characteristics

·         One of the largest pythons, these snakes are tan to purplish-brown with a chain of dark angular markings above. The head is yellowish with a dark, thin line and the belly is yellow or white.

·         Size of average adult is over 20 feet long

Diet

·         Chickens, pigs, goats, monkeys and small deer

Behavior

·         Mostly live in the trees but are also good swimmers

·         Show a preference for living near human settlements

·         Female lays large number of eggs and keeps them warm by “shivering” to keep temperature 10-12 degrees F higher then surrounding temperature.  The young are over 2 feet long when hatched and can grow up to 2 feet per year

Environmental/Global

·         They live in the rainforests of southeast Asia, Philippines and parts of the Indonesian Islands.


 

Louisiana Pine Snake

Pituophis melanoleucus ruthveni

Physical Characteristics

·         Background color yellowish with dark brown markings near head and brown to russet markings near tail. The belly is marked with black. They are related to Kansas bull snakes and closely resemble them.

·         Size of average adult is 48-56 inches

Diet

·         Baird's pocket gophers, occasionally eastern moles and mice

Behavior

·         These snakes are not nocturnal

·         Closely related & similar to bull snakes in Kansas

·         Mate in the spring, eggs hatch in fall, hatchlings are largest in North America

Environmental/Global

·         They live where it is sandy or in longleaf pine woods, in west central Louisiana and east Texas

·         Only know of 75 in wild due to habitat destruction


 

Madagascar Leaf-Nosed Snake

Langaha nasuta

Physical Characteristics

·         Also known as twig mimic snakes, these snakes have a feeling structure on the tip of the snout. In males it is a round spike-shaped structure, but in females looks like a fleshy leaf. Males are a light brown above and yellow below with a white line between the 2 colors, and females are gray-brown with darker speckles. The long, slender body looks like a vine when it is in the trees. Posses a venom that can be injected through small fangs in the rear of the mouth.

·         Size of average adult is 3 feet long

Diet

·         Tree frogs, small birds and chameleons

Behavior

·         The nose area is thought to help camouflage

·         Usually rest among vines and thin branches not moving

·         Active only for about an hour under the hottest midday sun

·         Mates November- December and are thought to lay eggs

Environmental/Global

·         They live in tropical forest in Madagascar

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