Baer's pochard females of Baer's pochard and the ferruginous duck are quite similar, but that holds true for the females of almost all "Aythya" species. Eclipse males resemble females, but retain the white eye. Formerly classified as a vulnerable species by the IUCN, recent research shows that its numbers are decreasing more and more rapidly. It was consequently uplisted to endangered status in 2008. In 2012, it was further uplisted to critically endangered. Between 1987 and 2007, there were only eleven reports of groups of 100+ birds in mainland China. A recent census by World Wildlife Fund (WWF) China of Hubei province
The Bird in a Cage The Bird in a Cage The Bird in a Cage, or The Beauties is a Caroline era comedy written by James Shirley, first published in 1633. The play is notable, even among Shirley's plays, for its lushness — what one critic has called "gay romanticism run mad." The play was licensed for performance, under the title "The Beauties," by Sir Henry Herbert, the Master of the Revels, on 21 January 1633. It was published in quarto in the same year, printed by B. Alsop and T. Fawcet for the bookseller William Cooke. The title page of the 1633 quarto states