North Atlantic right whales (Eubalaena glacialis) are big, but they're not the biggest whales. That distinction goes to the blue whale (Balaenoptera musculus), the largest animal on Earth. The orca's size of up to 31 feet (9.4 meters) makes it the largest dolphin. The sperm whale, on the other hand, may not be the biggest whale, but it has the biggest brain to have ever existed on Earth. A comparison chart of whale sizes helps put it all in perspective!
Chikungunya fever is caused by a virus that is spread to people through the bite of infected mosquitoes. Like Dengue, it is transmitted by Aedes mosquitoes, especially Aedes aegypti (the yellow fever mosquito) and Aedes albopictus (the Asian tiger mosquito).
Approximate distribution of Aedes aegypti in the United States* Aedes albopictus â¢ More likely to play a larger role in transmission in the United States due to its wide distribution. Biting adults are found both indoors and outdoors, but are most commonly found outdoors.dult mosquito control: â¢ Generally only in outbreak situations. â¢ Aedes aegypti and Aedes albopictus are most active during the day and are not effectively controlled by standard night-time ultra-low volume (ULV) applications.