Mass,Type,Energy,log mass,log energy,X1,X2
779,non-echolocating bats,43.7,6.6580110459,3.7773481021,0,0
628,non-echolocating bats,34.8,6.4425401665,3.5496173868,0,0
258,non-echolocating bats,23.3,5.5529595849,3.1484533606,0,0
315,non-echolocating bats,22.4,5.7525726388,3.1090609589,0,0
24.3,birds,2.46,3.1904763503,0.9001613499,0,1
35,birds,3.93,3.5553480615,1.3686394259,0,1
72.8,birds,9.15,4.2877159552,2.2137538793,0,1
120,birds,13.8,4.7874917428,2.6246685922,0,1
213,birds,14.6,5.3612921657,2.6810215287,0,1
275,birds,22.8,5.6167710977,3.126760536,0,1
370,birds,26.2,5.9135030056,3.2657594108,0,1
384,birds,25.9,5.9506425526,3.2542429687,0,1
442,birds,29.5,6.0913098821,3.3843902633,0,1
412,birds,43.7,6.0210233493,3.7773481021,0,1
330,birds,34,5.7990926545,3.5263605246,0,1
480,birds,27.8,6.1737861039,3.3250360207,0,1
93,echolocating bats,8.83,4.5325994932,2.1781550146,1,0
8,echolocating bats,1.35,2.0794415417,0.3001045925,1,0
6.7,echolocating bats,1.12,1.9021075264,0.1133286853,1,0
7.7,echolocating bats,1.02,2.0412203289,0.0198026273,1,0