How can you tell which is which? Do they have any special kind of markings, etc.? Just Wondering. Thanks! 
Cal King has already given you a good answer! The problem with LED Grow Lightsdistinguishing toads from frogs is that, while “toad” is the common name usually given to the members of the family Bufonidae, the term “frog” is applied to many different familiesbest electric shaver for sensitive skin that can be quite different in appearance. The true Bufonidae toads usually lay their eggs in shallow waters; thus, the relatively flattened body and low tail fins true grace candles of the tadpoles reflect their habitat (in contrast, other tadpoles have stronger, deeper tails and more laterally placed eyes). But there are many variations in size, proportions and colors among tadpoles – so if Thunder Shirt you really want to know the species of a tadpole, you need to look at its mouthparts (not easy unless you work from home ideas have a good magnifying glass or stereoscopic microscope). Below you’ll find an online identification key for anuran (toad and frog) tadpoles of the US and Canada. I hope it’s useful! ******* EDIT: advanced tadpoles will look more similar to their eating for energy adult counterparts as their metamorphosis advances – so if you find individuals with fully developed arms and legs, Jailbreak iPhone you’ll probably be able to tell if they resemble a particular species.
Bufonid toads or "true toads" have tadpoles that are generally rotund, with a rather short tail, and eyes near the top of the head instead of to the sides.
References :
Cal King has already given you a good answer!
The problem with distinguishing toads from frogs is that, while "toad" is the common name usually given to the members of the family Bufonidae, the term "frog" is applied to many different families that can be quite different in appearance.
The true Bufonidae toads usually lay their eggs in shallow waters; thus, the relatively flattened body and low tail fins of the tadpoles reflect their habitat (in contrast, other tadpoles have stronger, deeper tails and more laterally placed eyes).
But there are many variations in size, proportions and colors among tadpoles – so if you really want to know the species of a tadpole, you need to look at its mouthparts (not easy unless you have a good magnifying glass or stereoscopic microscope).
Below you’ll find an online identification key for anuran (toad and frog) tadpoles of the US and Canada. I hope it’s useful!
*******
EDIT: advanced tadpoles will look more similar to their adult counterparts as their metamorphosis advances – so if you find individuals with fully developed arms and legs, you’ll probably be able to tell if they resemble a particular species.
References :
http://www.pwrc.usgs.gov/tadpole/