TY  - RPRT
TI  - Gender identification of Caspian Terns using external morphology and discriminant function analysis
AU  - Joshua T. Ackerman
AU  - John Y. Takekawa
AU  - J.D. Bluso
AU  - J.L. Yee
AU  - Collin A. Eagles-Smith
PY  - 2008
DO  - 10.1676/07-061.1
UR  - https://pubs.usgs.gov/publication/70031921
ID  - 70031921
ER  -