species	island	bill_length_mm	bill_depth_mm	flipper_length_mm	body_mass_g	sex	year
0	0	Torgersen	39.1	18.7	181.0	3750.0	male	2007
1	0	Torgersen	39.5	17.4	186.0	3800.0	female	2007
2	0	Torgersen	40.3	18.0	195.0	3250.0	female	2007