Mammal	Birthwgt	Gestation
Goat	2.75	155
Sheep	4	175
Deer	0.48	190
Porcupine	1.5	210
Bear	0.37	213
Hippo	50	243
Horse	30	340
Camel	40	380
Zebra	40	390
Giraffe	98	457
Elephant	113	670