There are about 300 known species of the hummingbird but only a handful migrate. (2,268 kilograms). “In a cold, dry spring many toads will hold off,” says John. “And so far, here we are mid-October, and the sharks are still sticking around. Sharks remember these annual patterns and return to these areas every year to take advantage of the population boom. "No sharks, no fish," said Fischer. Their Latin name means "long hands" because of their long pectoral fins. Since 33 river systems flow into the Gulf of Mexico, it is an ideal home for these impressive hunters. Adults eat larger prey, including pinnipeds (sea lions and seals), small toothed whales (like belugas), otters, and sea turtles. Hummingbirds are the smallest of the bird species. Great whites do not chew their food. The animal frequents bays, estuaries, coral reefs, and the shallow waters off beaches and river mouths. Sharks have the ability to smell a drop of blood from hundreds of meters away. Genetic analyses have revealed substantial variation within this species, with populations from the western Atlantic Ocean isolated and distinct from those in the rest of its range. a mother baring offspring and raising her child) or through friendships developed between two or more whales.. The groups are calling on government agencies to protect the marine animals by restricting fishing according to the area where they are known to be vulnerable on a seasonal basis. Interestingly, there is often a hierarchy with these schools, and they can be found segregated by size, sex – or paired in groups … 2. Sharks are able to migrate over long distances – on a scale can overcome whole ocean basins. These sharks are one of few which migrate in a “school”, or larger group of others. REPRODUCTION Basking sharks reach sexual maturity at about 2-4 years old. “They may wait as late as April – or even early May in northern areas – before moving to their breeding ponds. The Division of Marine Fisheries may also start using high-tech automated "balloons" from a Florida-based company called Altametry SmartBalloon, which is apparently able to spot sharks from underwater, and alert nearby officials before it's too late. The blue whale (scientifically referred to as balaenoptera musculus) is a large marine mammal that is part of the baleen whale (mysticeti) suborder and is the largest animal alive growing to lengths of up to 100 ft. long and weighing as much as 150 tons or more. My third point may be shocking to many of you. Blacktip sharks and spinner sharks migrate past Florida's coastline each year. 4. Source(s): I work at an aquarium.. They do eat large amounts of food every day and will consume all that they can find readily available. Their diet consists of quite a variety of products. Sharks are classified by the surface temperature of the water which they inhabit. They will often travel distances of over 5,000 miles in a single trip! C. 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