The quetzal is one type of bird that could end up going extinct because of the effects of global warming .
凤头绿咬鹃是可能因全球暖化效应而绝种的鸟种之一。
Photo shot on assignment for , but not published in , " the elusive quetzal " , june 1998 , national geographic magazine .
图片为1998年《国家地理杂志》6月号《难捉摸的克沙尔鸟》而拍摄，但未刊发。
Dr declercq has previously demonstrated why a handclap in front of the stairs of the great pyramid of chichen itza , in mexico , has an echo that sounds like the chirp of a beautiful bird called a quetzal .
