The largest bird is the ostrich, which resides in Africa. It’s the heaviest, weighing upto 345 lb, and the weakest, reaching to 9 ft high. In a top speed of 40mph, it’s the fastest two-legged land creature. The ostrich egg, which weighs three pounds, is also the world’s biggest.
At just 2.24 inches long, and weighing only 0.056 oz, the tiny bee hummingbird of Cuba is the smallest bird. The nest is about the size of a thimble, and comprises pea-sized eggs.
Whereas humans have a larynx containing vocal cords in their trachea to create sounds, birds have a syrinx. It’s divided across both broncheal tubes. Because of this, birds can make two sounds simultaneously.
Whereas the female is camouflaged to match in with her surroundings, the man is usually brightly colored. It frequently has feathers that enthusiast or flare to produce a show. The female chooses a man based on its plumage and land.
6) Birds do want to eat rocks
Humans and other mammals have a mouth with teeth to grind food up. It’s a muscular organ that contracts to grind food up. Birds eat sand and other grit to assist the gizzard grind food up.
Birds that fly have hollow bones to minimize their own weight. You will find struts across crucial areas, and a few bones are fused for extra stability. Penguins and ostriches, which don’t fly, have strong bones.
4) Birds breathe at a four step procedure.
Humans breathe in a two step procedure. When someone breathes in, oxygen enters the lungs. When someone breathes out, carbon dioxide is expelled from the lungs. This is an in-out system. With birds, airflow is continuous. It requires two breaths and four measures to breathe. It features not just the lungs, but the air sacs contained within the birds abdomen.
3) Raptors use their toes to kill.
There are many birds that are predators, and many use their bills as a deadly weapon. Blue heron and egrets spear fish with their bills. Raptors, on the other hand, have feet with sharp talons. They use these to attack and kill prey, and then to take away the prey.
2) Birds have built-in food storage
Birds don’t have enough time to process food as they have it. They store it in their own harvest, and digest it later, when they’re hidden and it’s quiet. Wild turkeys are found carrying up to a pound of food in their plants.
1) Birds are monogamous
Over 90 percent of birds are monogamous – either for the period or for life. 2 percent of birds practice polygyny, where one male mates with several females; and less than 1 percent of birds practice polyandry, where one female mates with many men.