TY  - RPRT
TI  - Recent numerical changes in North American roseate terns and their conjectured cause
AU  - J.J. Hatch
AU  - J. A. Spendelow
AU  - J.D. Nichols
AU  - J.E. Hines
PY  - 1997
UR  - https://pubs.usgs.gov/publication/5210922
ID  - 5210922
ER  -