The Killer Whale or ORCA as they are commonly called, inhabits all of the Worldâs oceans, preferring the coastal waters near shore in the cooler regions of the planet. Male Killer Whales are larger then the female of the species and can be distinguished easily by the shape of the whales dorsal fin. The dorsal fin of the male Killer Whale is significantly larger and is shaped more triangular then the femaleâs.
Regular checks for head lice are a good way to spot head lice before they have time to multiply and infest (are present in large numbers) your child's head. 1  Seat your child in a brightly lit room. 2  Part the hair. 3  Look for crawling lice and for nits on your child's scalp a section at a time.  Live lice are hard to find.
Learn About Head Lice. What are head lice? Head lice (pediculus humanus capitis) are small, grayish-brown, wingless insects that are roughly the size of a sesame seed (found on a burger bun) when fully grown. They need to live in warm (31C +) humid conditions and feed off human blood obtained by biting the scalp.