Brown Bear, Brown Bear, What Do You See? White Dog, Black Sheep, a Goldfish, a Teacher or a Mother, and Students or Children. The 1984 British edition of the book substitutes a monkey for the teacher. Carle explained that variations in text between editions (mostly on the last page) were due to Martin, and that he made new illustrations to go with the changes. Carle and Martin published three spin-off books: "Polar Bear, Polar Bear, What Do You Hear?" (1991) uses zoo animals and sounds; "Panda Bear, Panda Bear, What Do You See?" (2003), endangered species; and "Baby Bear, Baby Bear, What Do You See?" (2007), North American
Sooty thrush Sooty thrush The sooty thrush ("Turdus nigrescens") is a large thrush endemic to the highlands of Costa Rica and western Panama. It was formerly known as the sooty robin. This is an abundant bird of open areas and oak forest edge normally above 2200 m altitude. It builds a heavy grass-lined cup nest in a tree 2–8 m above the ground, and the female lays two unmarked greenish-blue eggs between March and May. The sooty thrush resembles other "Turdus" thrushes in general appearance and habits. It is 24-25.5 cm long, and weighs 96 g on average. The adult male is