Can you find the eleven hidden colours in the following paragraph

Can you find the eleven hidden colours in the following paragraph:

Many injured animals are invited to live at the 'Toronto Range'. Stop in Kangaroo corner and marvel at the lovely creatures within. Dig over the potato patch to find small furry caterpillars, but don't yell! Owls can be found swooping for edible rodents, earwigs ro perhaps bluebottles in the undergrowth. The brown bear, Rob, lacks grace and may look like an ogre, enter at your own risk! Peacocks can be found showing their colourful wares, which look fantastic when viewed with our ultraviolet torch.

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Red
Olive
Orange
Pink
Indigo
Yellow
Blue
Brown
Black
Green
Violet