Toothed whales (Odontoceti) this group includes dolphins and orcas. These whales eat meat.   Baleen whales (Mysticeti) This group includes the Blue whale, Grey whale â¦ and Minke. They pull in a mouthful of seawater and feed on plankton.
Weight Gain Patterns. Between 1 to 4 months of age, an infant will generally gain 1 1/2 to 2 pounds per month, explains HealthyChildren.org, the website published by the American Academy of Pediatrics. From 4 to 7 months, his weight gain will slow to 1 to 1 1/2 pounds each month. A healthy baby boy will weigh between 14 1â2 and 17 1â2 pounds at 8 months; infant girls normally weigh about half a pound less than infant boys. By 12 months of age, a baby weighs about three times more than she did at birth.
Do not panic if your baby loses weight after delivery. Newborn babies normally lose 5 to 10% of their birth weight in a few days after delivery. This is because the baby loses fluid after birth. The baby will gain back all the weight after 10 to 14 days after they start breastfeeding.If, however, the baby has lost weight because of a sickness or premature birth, it will take up to 3 weeks to gain back the lost weight.Newborns gain about 30 g per day during the first month and grow about 1 to 1.5 inches in height during the same period.Newborns experience periods of rapid growth at 7 to 10 days and again at 3 and 6 weeks.ewborns gain about 30 g per day during the first month and grow about 1 to 1.5 inches in height during the same period. Newborns experience periods of rapid growth at 7 to 10 days and again at 3 and 6 weeks.