Evolution of Birds

Evolution of the birds chart from L.jurassic to early cretaceous and late creataceous.

Evolution of Birds

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Shark Facts
Sharks maybe dangerous but they worth a lot of dollar. This is a good way to earn money. But because of this a lot of people died. In 1999-2009 an average of fewer than five people died because of shark attacks each year worldwide, but every year an estimated of 73 million sharks are killed by human but in year 2009, shark fishing has been ban already due to it might lead to extinction also.
Overfishing
Due to over fishing, large predatory fish stocks are already gone for-ever unlike in 1900 in which there are six times more fish than 2009.
Giant Piranha
Giant Piranha can double its size every 36 hours, and they will be larger than human after 5 days.They also have multiple hearts that double its metabolic activity.This Mega piranha is shown to be highly aggressive,they also have triple layered skin, that protects their selves from bullets and nuclear radiation, aside from that they also have an amazing speed and stamina with a record of 104 km pe...
Facts Vs Myths About Spiders
Many people are afraid of spiders, but women are more likely to be arachnophobic (the fear of spiders). Women are actually roughly twice as likely to be afraid of spiders than men are. Full on Arachnophobia affects only 3.5%-6.1% of the population. A myth is that spiders come into the house in the fall to get out of the cold. Actually, fewer than 5% of spiders are both indoor and outdoor specie...
Cats vs Dogs
Cats and dogs are known to be enimies and their war is an endless one. Dogs are descenteds from wolves while cats belong to the felidae family.Cats have better sense of hearing than dogs while dogs have better sense of smell.Dogs are omnivorse while cats are carnivorse. Cats needs taurine and arachidonic acid to survive while dogs naturally produce the acid and dont require as much taurine. 
Cat Colors & Patterns
Learn more about you pet cats color. You can check its eye color and fur color to know more about them.
Wild Animal Personal Injury
If your planning to go to the wild, you might want to know this information. This will not only help you to prevent death, but it will also save you. Mosquitos, Snake, scorpions, Big cats and crocodiles are just some animals you need to avoid and watch out. But if we are talking to aquatic animals, Great white shark, Piranha, Belcher's sea snake, marbled corn snake and blue ringed octopus is just ...
Bluefin Tuna
Blue fin tuna has been illegaly sold in black market. And its been a widespread fraud duing 1998 to 2007.  
VI - Insects B
Do you know how many insects here on earth? Well, maybe there are still some species on it that are not yet discovered. Try to look at this image below, you might saw one of this in your place. This are just some insects that are not so common with us, or it cant be seen always by human.
Dinosaur Comparitive Sizes
Brachiosaurus shows that his the tallest among the dinosaur, followed by Diplodocus, and the third one are iguanodon fourth is tyrannosaurus, fifth is Stegosaurus, sixth is Triceratops, seventh will be velociraptor and the last is Compsognathus.
Ant Colony
There are 20,000 species exist in ants species but not all of them have been classified already. The earliest ants evolved 120 million years ago.Ants maybe tiny but they have an amazing strength that can carry many times of their body weight. In the ant societies, there are three castes, the enormous Queen, Workers, and Males.Some ant species have their own soldiers also.
Bird Anatomy (2)
Birds are just some of those cute creatures. Let's take a look at this bird part.
Pet Stats
Are you a pet obsessed? Those pet lovers surely spend a lot of dollars just for their pets. From food, clothes, vitamins and other health care.Didnt you know there are 39% of pet owners say they have more photos of their pet than of their spouse. 701 types of pure breed dogs and 1.5 billion$ is spent on pet food every year. But there are 30,000 number of cats and dogs destroyed each day in us anim...
Guinea Pigs
Guinea pigs has been forseen of becoming an overgrown monster due to atomic radiation. With its long history, it was now known as one of the most common pets in United states.There are 5 types of common breed in guinea pigs. This are the Teddy Guinea Pig, Skinny Pig, Crested Guinea Pig, Sulkie Guinea Pig, Abyssinian Guinea Pig.
Platypus
Have you seen about Platipus? Its really a very unusual animals, its like a bird or a reptile but its not. Platipus is like a snake that releases venom from its back claws of males, It has single opening anus and urino-genital system like birds and reptiles, it has a toothless mouthand rubbery beak, webbed feet for swimming like birds, and they also keep their eyes and nostril shut when swimming.&...
Shark Attacks
Any idea how shark attacks human? It always start at your legs.Swimmers are the most common for shark attacks. And they have their own way of attacking, like hit and run in which they sneak into you like ninja, bump and bite in which they circle you before attacking and the last is sneak attacks in which they will keep chomping you until you die.
How Sharks Survive
We know sharks are now endangered creatures. But how do they really survive? By, seeing their physical characteristics, it seems that they are more advantage compared to other sea water animals. They have spine, muscles, Intestines, fins, snout and mouth with large teeth.
Shark Diving Depths
Not all sharks can go in the deepest part of the water. Grey nurse shark can only spend at 10-190 meters deep, while Great Hummerhead spend from 0-275 meters, Tiger sharks is 0-350 meters, Whale sharks is 0-700 meters while the Great White Sharks is 0-1280 meters.