TY - RPRT TI - Establishing appropriate measures for monitoring aging in birds: comparing short and long lived species AU - M. A. Ottinger AU - E. Reed AU - J. Wu AU - N. Thompson AU - J.B. French PY - 2003 DO - 10.1016/s0531-5565(03)00102-5 UR - https://pubs.usgs.gov/publication/5224364 ID - 5224364 ER -