Bird Tracks

Check this birds track from different kinds.

Bird Tracks

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Evolution of Birds
Evolution of the birds chart from L.jurassic to early cretaceous and late creataceous.
Large Animals
Know the large animals height. Quetzalcoatlus has 40 foot wingspan, giraffes is about 15-17 feet tall, Tyrannosaurus rex has over 40 feet long, 20 feet tall, Brachiosaurus is about 50 feet tall, 85 feet long, Homo sapiens is about 5-6 feet tall, compsognathus is 2 feet long and Blue whale is 80-100 feet long.
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...
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.
Shark Attack Zones
Around the world there are already 194 people have died just because of shark inflicted wounds in past year 1788, but there are really 700 attacks in total.  
Cat Colors & Patterns
Learn more about you pet cats color. You can check its eye color and fur color to know more about them.
Pigs
At first i thought pigs are not suitable as pet. But pigs are rank number 4 in animal intelligence. They are also smart like other animals, in which just a few weeks of being born they can already will recognize their own name. Aside from that, they can eat almost anything, they can even scream and they are also fast that can run up to seven minute per mile.  
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.
Song Bird Family Tree
Know the song birds family tree with over 3500 species this past 80 million years ago.You can see the birds species from vocal learners up to non learners. Vocal learners include Passeroidea, Certhioidea, muscicapoidea, silvioidea and corvoidea, while non learner is Suboscines.
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. 
Dinosaur Size Comparison
Dinosaur size comparison, who do you think is the tallest? Check this image to know.
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...
Flight Form Birds of Prey (2)
Generalized of birds flight form depending on its kind. From bird hawks with short wings, buzzard hawks and eagles with broad wings and falcons with slender pointed wings.
Vertabrate Evolution
Ever wonder how the vertebrate evolution works? Try to look at this chart. It will help you understand a lot by just looking at its image.
Tiger Extinction
Tigers maybe dangerous, but right now they are on the edge of extinction already. They have lost their territory due to humans ambition. And over the past 100 years, 95% of them have fallen already.
Bird Anatomy (1)
Are all birds the same? Let us see this image if all birds has it.
10 Most Popular American Pets
Pet lover? Choose this ten most popular pets now-adays, from woof to squeak.  
Undersea Biology
Have you ever been underwater universe? It's sound so cool and amazing. You can find lots of living things in there, like school of fishes, mature corals that can live thousands of years. There are also some dangerous animals like lion fish that are so venomous, and the mysterious whale song that until now scientist still not agree of what their really purpose on it, you can also found a manta ray...