Species	Egg_mass(g)	Heart_rate(beats_per_min)
Zebra_finch	0.96	335
Begalese_finch	1.10	404
Marsh_tit	1.39	363
Bank_swallow	1.42	298
Great_tit	1.59	348
Varied_tit	1.69	356
Tree_sparrow	2.09	335
Budgerigar	2.19	314
House_martin	2.25	357
Japanese_bunting	2.56	370
Red-cheeked_starling	4.14	358
Cockatiel	5.08	300
Brown-eared_bulbul	6.40	333
Domestic_pigeon	17.10	247
Fantail_pigeon	19.70	267
Homing_pigeon	19.80	230
Crow	20.50	297
Barn_owl	20.10	219
Cattle_egret	27.50	251
Lanner_falcon	41.20	242
Brown_noddy	37.90	298
Wedge-tailed_shearwater	57.20	244
Laysan_albatross	288.00	232
King_quail	6.00	341
Japanese_quail	10.70	319
Chicken	64.90	287
Duck	79.00	247
Turkey	82.90	246
Peafowl	111.30	262
Goose	158.20	224
Emu	634.00	192
Ostrich(breeding_season_1)	1331.00	173
Ostrich(breeding_season_2)	1395.00	185