TY  - RPRT
TI  - Egg size and laying order of snowy egrets, great egrets, and black-crowned night-herons
AU  - T. W. Custer
AU  - P. C. Frederick
PY  - 1990
DO  - 10.2307/1368698
UR  - https://pubs.usgs.gov/publication/5222420
ID  - 5222420
ER  -