Killer Whales are thought to have existed in their present form for about 2.5 million years. Present populations have very low genetic diversity; this is confusing to scientists, whom previously thought that the currant populations have not interbred for at least 100,000 years; newer theories are in the works.
probably raw
Old age, orcas, seals, and other predetors.
orcas reproduce when they are ready.
Orcas are not endangered!!! Orcas have a high population, so that that no one know how many!!!
Orcas have no particular breeding season.
The population of Sandford Orcas is 195.
Orcas do not live in Antarctica. Antarctica is a continent and orcas are marine animals. Orcas swim in the Southern Oceans that surround the Antarctic continent.
Orcas are eating shark livers because they are rich in nutrients and provide a high energy source for the orcas.
Orcas eat shark livers because they are rich in nutrients and provide a high energy source for the orcas.
Orcas are still being hunted, for thir blubber and meat.
Nothing. Orcas eat everything-they are the top of the food chain!
blue whales have baleen and orcas have teeth