Friday, March 18, 2011

Alligator

Alligator




An alligator is a crocodilian in the genus Alligator of the family Alligatoridae. There are two extant alligator species: the American alligator (Alligator mississippiensis) and the Chinese alligator (Alligator sinensis).
The name alligator is an anglicized form of el lagarto, the Spanish term for "lizard", which early Spanish explorers and settlers in Florida called the alligator.
Alligators have a variety of successful adaptations to their ecological niche that have allowed these reptiles to remain almost unchanged for 200 million years.

A large adult American alligator's weight and length is 800 pounds (360 kg) and 13 feet (4.0 m) long, but can grow to 14.5 feet (4.4 m) long and weigh over 1,000 pounds (450 kg). According to the Everglades National Park website, the largest alligator ever recorded in Florida was 17 feet 5 inches (5.31 m), although according to the Florida Fish and Wildlife Conservation Commission web site the Florida state record for length is a 14 feet 5/8 inches (4.28 m) male from Lake Monroe in Seminole County. The largest specimen ever recorded was found in Louisiana and measured 19 feet 2 inches (5.84 m). The Chinese alligator is smaller, rarely exceeding 7 feet (2.1 m) in length. Alligators have an average of 75 teeth.
The average lifespan for an alligator is 50 years.

 
Scientific name Alligator Mississippiensis
Size                       -  13 feet

Thursday, March 17, 2011

Bee

Bee




Bees are flying insects closely related to wasps and ants, and are known for their role in pollination and for producing honey and beeswax. Bees are a monophyletic lineage within the superfamily Apoidea, presently classified by the unranked taxon name Anthophila. There are nearly 20,000 known species of bees in seven to nine recognized families, though many are undescribed and the actual number is probably higher. They are found on every continent except Antarctica, in every habitat on the planet that contains insect-pollinated flowering plants.
Bees are adapted for feeding on nectar and pollen, the former primarily as an energy source and the latter primarily for protein and other nutrients. Most pollen is used as food for larvae.
Bees have a long proboscis (a complex "tongue") that enables them to obtain the nectar from flowers. They have antennae almost universally made up of 13 segments in males and 12 in females, as is typical for the superfamily. Bees all have two pairs of wings, the hind pair being the smaller of the two; in a very few species, one sex or caste has relatively short wings that make flight difficult or impossible, but none are wingless.
The smallest bee is Trigona minima, a stingless bee whose workers are about 2.1 mm (5/64") long. The largest bee in the world is Megachile pluto, a leafcutter bee whose females can attain a length of 39 mm (1.5"). Members of the family Halictidae, or sweat bees, are the most common type of bee in the Northern Hemisphere, though they are small and often mistaken for wasps or flies.
The best-known bee species is the European honey bee, which, as its name suggests, produces honey, as do a few other types of bee. Human management of this species is known as beekeeping or apiculture.
Bees are the favorite meal of Merops apiaster, the bee-eater bird. Other common predators are kingbirds, mockingbirds, beewolves, and dragonflies.




Scientific name Apis mellifera
Size            -  2.1 mm -39 mm

Saturday, November 27, 2010

Blue Morpho

Blue Morpho




Male morphos have beautiful blue wings that flash in the sunshine as they fly through the rainforests where they live. There are more than 50 species of morpho and they all come from the American tropics. They were once caught in huge numbers so that their wings could be used to make jewelry, but today many species are protected. The male’s brilliant colour is protected by microscopic ridges on the surface of its scales. These reflect the light in a certain way, making the wings glisten with a metallic blue sheen. Female morphos usually have less blue on their wings, although in some species they are orange or brown.

Scientific name Morpho species
Distribution       - South America
Size                       - Wingspan up to 14cm  




Grey Mouse Lemur


Grey Mouse Lemur


Mouse Lemurs are among the world’s smallest primates.  They look very much like mice, but have forward-facing eyes, tiny fingers and toes and long tail with fluffy tips.  They often weight less than 50g.  Like many primitive primates, mouse-lemurs move about at night.  They eat a wide range of food including insects, fruits and leaves.  They give birth to two or three young after a gestation period of about eight months.

Scientific Name: Microcebus rufus





Ice fish

Ice fish




Antarctic ice fish are the only vertebrates that do not have hemoglobin – the red pigment that normally carries oxygen in blood.  Their blood is almost colourless and it collects oxygen in the same way that water does – by simply dissolving it.  Ice fish have to survive with about a tenth as much oxygen as normal fish and they do this by swimming slowly and by spending long periods without moving.  They live on the seabed, feeding on small animal such as crustaceans.
Scientific Name: chaenocephlus aceratus


Cheetah


Cheetah



Instead of hunting by stealth, the cheetah relies on speed.  It is the fastest land animal on earth and can reach speed of about 95 km/h in just three  or four seconds – an acceleration rate that beats most cars.  Cheetahs can do this because they have slender bodies, long legs and springy backbone.  Unlike other cats, they do not have retractable claws on their front feet and they bring down their prey by knocking it to the ground.  Cheetahs feed mainly on antelopes and other grazing mammals.  They live in grassland and semi-desert.


Scientific Name: Acinonyx jubatus