How to Identify?
On first sight, a bullfrog and green frog are not easy to distinguish. I look at the crest starting above the eye and extending around the eardrum leading to the front legs. In case of a green frog, this crest leads along the back to the back legs.
We combine physical characterics and behavior patterns with location and seasonal aspects to identify species.
Where & When to Spot?
In ponds around Montreal late spring till early autumn. I see them more rarely than green frogs, usually I spot them staying still in the shallow water in reed along the shore of a pond.
With each photo, we store date and geo-location providing us data about location and season of observation. We also use a tracking utility to save observations in the field when there was no opportunity to take a good shot.
Anything to add, to correct?
Nordamerikanische Ochsenfrosch [de]
American Bullfrog [en]
Rana toro [es]
Ouaouaron, Grenouille-taureau [fr]
For more videos visit our youtube channel Fauna & Flora Photography
american bullfrog, amphibians, rana, rana catesbeiana, frogs