1.A little more than 10,000 species of birds are known to science today.
2.Birds live in diverse habitats: deserts, mountains, forests, tundras, near the bodies of water, etc.
3.Birds have diverse diets: they eat both plants and animals from air, water, or land.
4.Birds are important because they keep systems in balance: they pollinate plants, disperse seeds, scavenge carcasses and recycle nutrients back into the earth.