Play them many times during the winter so you will recognize them when you first hear them in the spring. They can almost double this speed for escape or pursuit. The champion is the peregrine falcon. The wild bird with the longest recorded lifespan is the royal albatross, which exceeds 58 years. The wandering albatross, however, is suspected to live more than 80 years in the wild.
Some general figures are available.
The green heron shows a remarkable ability to learn to respond to sight and sound cues. About 30,000 varieties, divided into some 8,600 to 8,900 species. Excerpted from Compton's Interactive Encyclopedia. And you can go bird watching right in your own backyard. Well that is if you live in the South.