No.It shouldn't be poisonous.Most Caterpillars like that are furry.Some are black with red stripes and some are red with black stripes.
These sound like Datana caterpillars and many are not poisonous. They are usually pests of shrubs and trees. There are many of these and are different kinds. See the link below for more ID information:
Well I think bright carerpillars are poisonous for defence
tiger caterpillars have orange and black stripes. that's where they get there name from tigers
Some fuzzy black caterpillars are poisonous to animals and people. It is best to leave them alone just in case.
No
they are called willow bears
I've seen some caterpillars all over Oregon Sunshine (eriophyllum lanatum), but these were grub-like caterpillars with a few long hairs (orange and black stripes, of course). I'm not sure if they were the same caterpillar?
I think you're thinking of the Monarch Butterfly. Either way, no. The Monarch caterpillar is not fuzzy. The fuzzy orange and black caterpillars are likely from the Isabella Tiger Moth. Google both those species and you should get pictures, see if we're talking about the same thing.
Monarch butterflies start their lives out as caterpillars. A 'baby monarch' would be a monarch caterpillar. Monarch caterpillars striped black and yellow along their back.
The caterpillar that has black triangles is called a yellow-striped armyworm. It also has the color brown with a white stripe.
a regular orange and black striped tiger