TY  - RPRT
TI  - The role of nutrient reserves for clutch formation by Northern Pintails in Alaska
AU  - Daniel Esler
AU  - J. Barry Grand
PY  - 1994
DO  - 10.2307/1369325
UR  - https://pubs.usgs.gov/publication/70182171
ID  - 70182171
ER  -