why are manatees so endangered?
820253
Because they are slow moving and gentle and tend to die in boating accidents.
621557
There are several reasons:\n1. They are competing with livestock for land\n2. Droughts, so they cannot get water\n3. Habitat loss\nGrevy's zebras are not allowed to be hunted, but they were.
1001392
Well, the American bison (Bison bison) is listed as being at Least Risk by the IUCN (the World Conservation Union).  While being virtually extirpated from the United States, there are large and thriving populations in Canada.  Enough so that my local grocery store regularily carries Bison steaks.  Mmmmm... yummy.\n\nThe European bison or wisent (Bison bonasus) is listed as Endangered.  The species was down to less than 20 captive individuals back in the 1920s.  There are programs currently underway to establish refuges for the wisent in Poland, Ukraine, Russia and Belorussia, and there are now as many as 250 animals in the wild.  However genetic diversity issues mean that they are in serious trouble.\n\nMost seals are listed as Least Risk or Vulnerable by the IUCN, however there are some that are Endangered or Critically Endangered.\n\nOne of the most Critically Endangered is the Mediterranean monk seal (Monachus monachus), which is threatened by habitat loss and degradation, invasive parasites and pathogens such as toxic algae, ongoing harvesting and hunting, accidental mortality and their own restricted range.  \n\nThe French government twice initiated captive breeding projects, but both times shut down the projects over protests from the international monk seal scientific and conservation communities.  \n\nMany countries have introduced laws protecting the Mediterranean monk seal, but implementation has been less than rigorous.  There are so many countries around the Mediterranean that would all need to agree on conservation measures that it may be too late for this species.\n\nThe related Hawaiian monk seal (Monachus schauinslandi) is also Endangered, and the Caribbean monk seal (Monachus tropicalis) is already considered Extinct.\n\nThe Japanese sea lion (Zalophus japonicus) is also considered Extinct, last seen in 1951.\n\nThe walrus (Odobenus rosmarus) is one of the species listed in the IUCN Redlist as being at Least Risk.  There are healthy populations in many northern nations.  Unless something totally unthinkable happens, like global temperatures rising and melting all the Arctic sea ice, then they will probably remain relatively safe.  But that could never happen, right?\n\nIn the grand scheme of things, the extinction of these species probably doesn't mean an awful lot to humans directly.  Most people have probably never heard of a wisent, and probably never knew there was such as thing as a Caribbean monk seal.  However, they are indicators of a disturbing trend of extinctions, and near extinctions, mostly caused by humans.\n\nThose species directly hunted to extinction by man are easy enough to explain, and do not speak well of our ability to work and play nice with others, but it is the species which are indirectly affected by mankind, through habitat loss, pollution, introduced diseases and other factors that should sound a resounding wake-up call to humanity in general.  If we are making the planet uninhabitable for other species, maybe it isn't gonna be so nice for us if we keep it up, eh?\n\nThere is also the possibility that species that we think will have no effect on us if they go extinct are actually vital links in the ecosystem, and will have major impacts when they are gone.  The classic example is the sea otter (Enhydra lutra).  A cute, fuzzy little sea mammal that eats sea urchins and abalones.  It also has thick fur that was very valuable to fur traders.  However, once the little fuzzy sea otters were gone, the sea urchins boomed in population and started eating all the kelp.  Those kelp forests were important habitat for many fish species, and suddenly the fishing industry started hurting.  The sea otter turned out to be very important for the economic needs of a great many fishermen.\n\nIt's easy to become blase about 'oh well, it's just some dumb critter I've never heard of, so why should I care if it goes extinct?  most of the species that have ever existed have gone ext
550653
On the island of Gigli in Tuscany there are wild goats called mufloni. This kind of goat is very endangered. \n\nThere is a large rare butterfly called the Parnassus Apollo. Its wings are almost transparent, with spots edged in black and red. It is a protected insect because it is endangered.\n\nIn the Pollino National Park in Calabria, there are  the rare Royal eagle and the Capriol deer.
159232
because they can't adapt to their environment. ones who can't adapt, can't get food or settlement. that's why they became extinct..
55149
No. Manatees lack both incisors and canines. See photo at the link.
909500
Because the human race would be nowhere without it. Possibly extinct.
1182144
The Hawaiian Honu (or Sea Turtle) can be seen in Hawaii zoos.\n\nHard exterior yet soft and mushy inside.\nAppears to be slow; however, she's just not rushing through life.\nA rare breed....so rare she's becoming endangered.  \nLoves the ocean, loves the tropics.....minds her own business. \nSea turtles have existed for over 100 million years showing they have strong ability to survive.  And like a Sea Turtle, I keep on keeping on.......
853472
Besides global warming.  It is difficult for them to raise offspring.  They give only 2 eggs and survival rate is 1 out of 2.
1057956
Mega fauna, like Woolly Mammoths and Saber tooth Tigers, have no chance of ever re evolving, but there are still giant mammals, on the planet earth. Elephants, giraffes, muskox, lions, tigers and the largest animal ever to inhabit our planet, the blue whale, are still very much around, at least for the time being. It would be fantastic if some of the recently extinct, mega fauna, like the woolly  mammoth, the woolly rhinoceros, the giant cave bear, the giant irish elk and the giant three toed land sloth were still roaming parts of our plant. Could you imagine a saber tooth tiger roaming around the hills surrounding Los Angeles, now that would be cool. Unfortunately the recently extinct species, that have been gone for 12,000 years, have little scientific chance, of ever being reintroduced, with today's scientific technology.  The future is wide open however, and the technology might soon exist to reanimate, many of these incredible species, how great would that be. I would love to see a 8,000 pound, 12 foot tall sloth. I only wish the future would hurry up and get here. The expectation and excitement of such developments, are wildly frustrating.\nGreat Question
59772
Because people are omnivorous, which means we still have a natural instinct towards hunting. Just leaving all the little aminals alone would screw up the ecosystem. They don't overpopulate because there is something hunting them. The game wardens are actually very strict about watching herd size and don't let people wipe out anything. And because it's challenging if done correctly.
881313
Basically none of the animals on the endangered species list is the rarest because animals once thought to be extinct keep getting rediscovered.  There is no way to know exactly how many of the rediscovered animals there actually are.  i do know that the Stegodont was rediscovered in Asia.  There was a television show about it and then I found this website http://web.ncf.ca/bz050/HomePage.gne.html\nSince they are so large there are probably less of them than any other ex-extinct animal, but you never know.
684074
hunting an animal to extinction doesn't necessarily mean to kill every last one. it can also mean to kill so many that the ones who remain cannot continue to reproduce successfully and through processes such as inbreeding the species eventually dies off.
158042
Lots of animals are endangered, unfortunately.\n\nMy favorite wild animal, the clouded leopard, is endangered. They live in southeast asia, and in SOME parts of their natural habitat they're thought to be extinct in the wild. \n\nAnother problem facing the clouded leopard population is that they are a challenge to breed in captivity. But there are people working to help the population grow, which is good news.
701739
Most of the time its a near endangered species.  They usually aren't so bad that they are on the endangered species list but are close.  It can act as a way for animal rights people to protect them even though they aren't at the needed population level to be protected.  This is true most times, but not all.
351408
Depends on what species of seal you are talking about. Generally speaking, mankind has killed the ocean by means of pollution and fishing, and every mammal species living in the ocean is endangered.
393749
I haven't heard of any shark species being endangered.  I know "Jaws" author Peter Benchley was an advocate of their conservation (which was reported at the time of his recent death), but I was and am still unaware that there was a need for conservation.  The only shark species I know to be extinct is the Megalodon (the much larger ancestor of the Great White).