It says that nearly one third of about eight hundred bird species in the United States are threatened in some way.

VOA: special.2009.05.12

Seventy-one bird species have disappeared forever since people first arrived on the Hawaiian Islands one thousand seven hundred years ago.

VOA: special.2009.05.12

One hundred thirteen bird species are found nowhere else.

VOA: special.2009.05.12

Garry Bagnell was among some one hundred avid twitchers who came to Calshot on Wednesday to try and catch a glimpse of the bird.

BBC: Hampshire Spanish sparrow attracts scores of twitchers