TY - RPRT TI - Latitudinal variation in avian incubation attentiveness and a test of the food limitation hypothesis AU - A.D. Chalfoun AU - T. E. Martin PY - 2007 DO - 10.1016/j.anbehav.2006.09.010 UR - https://pubs.usgs.gov/publication/70029948 ID - 70029948 ER -