one has a little head and one has one really big foot!!
the most obvious is their body shape and size
The difference occurs in the pedipalp, where in males have relatively larger pedipalps, while females are thinner.
usually the female is larger than the male but i dont think this is the case for all frogs though. usually it is...
Dendrobates azureus exudes a toxic secretion like the other members of its family. None of the frogs make the poison they "wear" on their skins but get it from what they eat. Of the variety of insects and such in their diets, it is the ants and mites that actually manufacture and carry the toxins - until the frog eats them and "borrows" their poison. Wikipedia has more information, and you've got links.
The difference is that the second "frogs glottis" has a question mark.
Poison dart frogs got that name not because the frogs have poison darts - they haven't - but because humans used the poison from the frogs to poison their darts.
Because the poison of some frogs, (poison dart frog's) poison is on the outside of the body, not the inside.
normal
it depends on what species of poison frogs they are
Poison Dart Frogs are about the size of your thumbnail
No frogs eat plants. Poison dart frogs get their poison from fire ants.
According to Wikipedia, "poison arrow frog" is the old name for poison dart frogs.http://en.wikipedia.org/wiki/Poison_dart_frog
some types of snakes can eat the poison dart frogs, if they can cope with the poison.
No poison dart frog shoots it venom. They ooze if from their skin. The type of venom depends on the species of frog.Poison dart frogs got that name not because the frogs have poison darts - they haven't - but because humans used the poison from the frogs to poison their darts.