The first postage stamps were issued in 1840, and the geography of the world has since seen lots of changes. Some of the most interesting collectible stamps are those issued by states that no longer exist â these states are known as âdead countriesâ by philatelists.
Eggs are off-white and marked with brown and lavender. Young turkey vultures hatch in 30 to 40 days and then take another 9 to 10 weeks to learn how to fly. They are are independent about a week later.ggs are off-white and marked with brown and lavender. Young turkey vultures hatch in 30 to 40 days and then take another 9 to 10 weeks to learn how to fly. They are are independent about a week later.
EGGS A bald eagle egg is slightly smaller than a domestic goose egg. The chick will measure 4 to 5 inches at hatching and weigh only a matter of ounces. Bald eagles incubate their eggs for about 35 days.They begin incubation as soon as the first egg is laid.The second egg usually appears within 36 to 72 hours after the first. Occasionally a clutch of 3 eggs will be produced.ald eagles incubate their eggs for about 35 days. They begin incubation as soon as the first egg is laid. The second egg usually appears within 36 to 72 hours after the first.