10) The largest bird
The largest bird is the ostrich, which resides in Africa. It is the heaviest, weighing upto 345 lb, and the weakest, reaching to 9 feet high. In a top speed of 40mph, it is the fastest two-legged land creature. The ostrich egg, which weighs three pounds, is also the world’s biggest.
9) The smallest bird
At just 2.24 inches long, and weighing only 0.056 ounces, the tiny bee hummingbird of Cuba is the smallest bird. The nest is about the size of a thimble, and comprises pea-sized eggs.
8) The Syrinx
Whereas humans have a larynx containing vocal cords in their trachea to create sounds, birds have a syrinx. It is divided across both broncheal tubes. As a result, birds can make two sounds simultaneously.
7) Sexual Dimorphism
In birds, the male and the female of a given species often look very different. Whereas the female is camouflaged to match in with her surroundings, the man is usually brightly colored. It frequently has feathers that fan or flare to make a show. The female chooses a male based on its plumage and land.
6) Birds do need to eat rocks
Humans and other mammals have a mouth with teeth to grind up food. It is a muscular organ that contracts to grind up food. Birds eat sand and other grit to assist the gizzard grind food up.
5) Hollow bones
Birds that fly have hollow bones to minimize their weight. You will find struts across crucial places, and a few bones are fused for added stability. Penguins and ostriches, which do not fly, have solid bones.
4) Birds breathe at a four step procedure.
Humans breathe in a two step procedure. When a person 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 only the lungs, but the air sacs contained within the birds abdomen.
3) Raptors use their toes to kill.
There are many birds who are predators, and most 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 the prey away.
2) Birds have built-in food storage
Birds don’t have enough time to process food as they have it. So they store it in their own crop, and digest it later, when they are hidden and it is quiet. Wild turkeys have been found carrying up to one pound of food in their crops.
1) Birds are monogamous
Over 90% of birds are monogamous – either for the period or for life. Two percent of birds practice polygyny, where one male mates with several females; and less than one percent of birds practice polyandry, where one female mates with many men.