What is the world must useless animal?
830710
A fly. Whats the point, The just buzz about all day and Poop everywhere (although there poop is too small for the human eye)\nPlus!\n\nThey land on dog poo, then they fly into your house and land on all kinda things like your chopping board and dinner table! Urgh!\nTheve gotta be the worlds most useless animal!
130882
Crocodiles or Alligators are the obvious answers... don't forget the Komodo Dragon either, they're a bit on the old side too!
132560
guinea pigs, horses, cats, dogs, ducks - & if I'm totally honest with myself, any animal at all, including the ones we take for granted like pigs, cows, sheep  & chickens
264009
animals with no backbone are known collectively as invertebrates.\nhope this is some help as your question was vague.
214134
The only good answer I have for this is Elephant.
167330
of course not!  animals have souls~
183312
nothing.  If it's non-living,.......never mind.  People are morons.  The human race is doomed.
474877
God made the animals. That's your answer. Now ponder something really tough - like where that one sock goes that I keep losing when I do laundry.
834237
Check out the Honey Badger, they are without doubt the hardest mammals on this planet. They were even listed in the guiness book of records as the most fearless. Check out the link.
594520
Common sense. Anything else is pretty much useless.
127919
6 WEEKS , U SHOULDNT HAVE ANIMALS IF YOU ARE THAT CLUELESS
898255
PETA / THINK \n\nThat"s an oxymoron
89412
rug rat\ncouch potato\nroad hog
511406
Never. The UN is useless.
511732
Give Kids the World\nHabitat for Humanity\nOperation Smile\nand that one that sends animals overseas
778642
Humans are the only animals that are that ignorant.
789585
A human baby. And I'm as liberal as they come. Trees are of course important, whales less so - but they play a vital role. However; humans have rights, animals and plants (largely) do not.