record_id month day year plot_id species_id sex hindfoot_length weight 1 1 7 16 1977 2 NL M 32 NA 2 2 7 16 1977 3 NL M 33 NA 3 3 7 16 1977 2 DM F 37 NA 4 4 7 16 1977 7 DM M 36 NA 5 5 7 16 1977 3 DM M 35 NA 6 6 7 16 1977 1 PF M 14 NA species_id genus species taxa 1 AB Amphispiza bilineata Bird 2 AH Ammospermophilus harrisi Rodent 3 AS Ammodramus savannarum Bird 4 BA Baiomys taylori Rodent 5 CB Campylorhynchus brunneicapillus Bird 6 CM Calamospiza melanocorys Bird