TY - RPRT TI - Oregon spotted frog (Rana pretiosa) migration from an aquatic overwintering site: Timing, duration, and potential environmental cues AU - Jay Bowerman AU - Christopher Pearl PY - 2020 DO - 10.1637/0003-0031-184.1.87 UR - https://pubs.usgs.gov/publication/70222940 ID - 70222940 ER -