3. Watch for signs of cervical dilation if you are near the end of your pregnancy. This indicates that you are in labor, and it's time to talk with your doctor or midwife. As the baby's head begins to press down on the opening of the uterus, the cervix will start to thin out and open.
A whale is defined as any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head. This means that whales are mammals. They're warm blooded, bear live young and also suckle them with milk.
Whales belong to a group of sea-dwelling mammals called cetaceans, which also includes dolphins. Comparing hundreds of whale and dolphin pelvic bones to their genitalia and mating style, researchers found that males from more promiscuous species had larger penises and larger pelvic bones.