Читать книгу A Manual of Philippine Birds - Richard C. McGregor - Страница 103

 a1. Smaller and lighter, without a vinous wash on breast and abdomen; dark rufous-brown above. tenuirostris (p. 52)

 a2. Larger and darker, a faint vinous wash on breast and abdomen; blackish brown above. phæa (p. 53)