Secondary sexual characters and ecological competition

Ecological Aspects of Species‐formation in Passerine Birds

1944 • 181 citations

A history of the birds of New Zealand

1888 • 170 citations

Life History of the Boat-Tailed Grackle in Louisiana

1937 • 42 citations

Variation in the Resident Sharp-Shinned Hawks of Mexico

1952 • 21 citations

A Field Study of the St Kilda Wren (Troglodytes troglodytes hirtensis), with Especial Reference to its Numbers, Territory and Food Habits

1934 • 13 citations

The Distribution of Genera and Species of Non-Migratory Land Birds in the Philippines

1894 • 9 citations