TY  - JOUR
TI  - On the Gular Pouch of the Male Bustard (Otis tarda, Linn)
T2  - Ibis
VL  - 1
IS  - 2
UR  - https://www.biodiversitylibrary.org/part/403200
PB  - Published for the British Ornithologists' Union by Academic Press
CY  - [London]
PY  - 1865
SP  - 143
EP  - 146
DO  - 10.1111/j.1474-919x.1865.tb05761.x
AU  - Cullen, William Henry
ER  -