TY  - RPRT
TI  - Records of northern mockingbird, Mimus polyglottos, occurrences in North Dakota during the Twentieth Century
AU  - L.D. Igl
AU  - R.E. Martin
PY  - 2002
UR  - https://pubs.usgs.gov/publication/1001840
ID  - 1001840
ER  -