U.S. to Consider Listing Giraffes as Endangered Species The population of giraffes, the tallest land animals on earth, has declined by about 40 percent in the last three decades, conservationists say. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Some Dinosaur Eggs Took Six Months or More to HatchA HUGE volcano is rumbling below one of Italy's largest cities - scientists' WARNINGTop Scientists Urge Trump to Abide by Iran Nuclear DealSpaceX Says It’s Ready to Launch Rockets AgainTitanic WAS NOT sunk by Iceberg – new evidence suggests shock theory to disasterNasa warns two asteroids OR comets are HURTLING towards Earth...but they're not sure which