Killer whales – information
Killer whales are associated with dolphins and whales, and such a comparison is fundamentally wrong. These are not harmless whales, they are cunning and clever predators, suggesting horror for penguins and other inhabitants of circumpolar waters.
- Killer whales always give birth to only one cub. About once every five years.
- In English, killer whales are often called “killer whales”.
- Sometimes killer whales reach a length of 10 meters and a weight of 6-7 tons.
- Teeth from killer whales grow to 11-13 centimeters in length.
- A female killer whale never gives birth to more than 5-6 cubs in a lifetime.
- Pregnancy in killer whales lasts almost a year and a half.
- The killer whales have their own “language”, and killer whales from different groups have their own dialect, if one can name the spectrum of sounds that they exchange for communication.
- The killer’s heart beats twice as much under the water as on the surface.
- Killer whale can develop speeds of up to 50 kilometers per hour.
- All killer whales are black and white, although occasionally there are purely black and pure white, but this is a consequence of genetic deviation.
- Killer whales are social creatures. They prefer to coexist in small groups linked by family ties. However, at times the number of groups of killer whales can reach up to forty or fifty individuals.
- In a day an adult killer whale needs 100-150 kilograms of food.
- A calf’s cub has from one and a half to two and a half meters in length.
- Females of killer whales live on average twice as long as males.
- Killer whales are smart animals, they are easy to train.