There are birds such as bullfinches, and mammals include muntjac deer, foxes and badgers. The pine grosbeak is sister to the bullfinches in the genus "Pyrrhula". Over 100 bird species have been recorded, including redwings, whimbrels and bullfinches. Bullfinches, whitethroats and reed buntings breed in woodland areas. His attempts to introduce bullfinches, chaffinches, nightingales, and skylarks were not successful. Barbados bullfinches are extremely innovative and tame birds. In winter one can meet bullfinches, waxwings, polar owls. The true bullfinches are thick-billed finches in the passerine family Fringillidae. Bullfinches have glossy black wings and tail feathers. The closest relatives of the bullfinches are in genus "Pinicola" (pine grosbeak and crimson-browed finch). Barbados bullfinches construct a globular nest, with a side entrance, in a tree or shrub. Bullfinches must be approached positively, with lots of impulsion, in order to prevent stops.