Row  Mammal       Birthwgt   Gestation
   1  Goat           2.75        155
   2  Sheep          4.00        175
   3  Deer           0.48        190
   4  Porcupine      1.50        210
   5  Bear           0.37        213
   6  Hippo         50.00        243
   7  Horse         30.00        340
   8  Camel         40.00        380
   9  Zebra         40.00        390
  10  Giraffe       98.00        457
  11  Elephant     113.00        670