Osteocephalus planiceps Flat-headed Bromeliad Treefrog
Santa Cruz Forest Reserve, Loreto, PeruJanuary 19, 2013
Flat-headed Bromeliad Treefrog (Osteocephalus planiceps)
The different Osteocephalus species in this area can be difficult to distinguish. I believe this one is Osteocephalus planiceps based on the relatively large tympanum, the dark bars across the back as well as the legs, and the dark radial lines in the iris.

Here is a complete list of the herps I saw in the wild on my 2013 MT Amazon Expeditions trip.

Santa Cruz Forest Reserve, Loreto, PeruJanuary 20, 2013
Flat-headed Bromeliad Treefrog (Osteocephalus planiceps)
Here's another big Osteocephalus, which I think is O. planiceps for the same reasons given for the previous photo.
Madre Selva Biological Station, Loreto, PeruJanuary 12, 2014
Flat-headed Bromeliad Treefrog (Osteocephalus planiceps)
And another from a year later. A fine-looking frog, this.

Here is a complete list of the herps I saw in the wild on my 2014 MT Amazon Expeditions trip.

Santa Cruz Forest Reserve, Loreto, PeruJanuary 18, 2014
Flat-headed Bromeliad Treefrog (Osteocephalus planiceps)
I believe that the radiating lines in the iris, the relatively large tympanum, and the white supralabial area identify this frog as O. planiceps rather than one of the other local Osteocephalus species.
Santa Cruz Forest Reserve, Loreto, PeruJanuary 19, 2014
Flat-headed Bromeliad Treefrog (Osteocephalus planiceps) Flat-headed Bromeliad Treefrog (Osteocephalus planiceps)
Two more big, attractive treefrogs poised to leap away. The first one here is probably the prettiest Osteocephalus I've ever seen.
Madre Selva Biological Station, Loreto, PeruFebruary 1, 2016
Flat-headed Bromeliad Treefrog (Osteocephalus planiceps) Flat-headed Bromeliad Treefrog (Osteocephalus planiceps)
A pair of these frogs that illustrates their variability in color. The one at the bottom is the first I've seen with that rosy tint to its stripes.

My Travelogues and Trip Lists page includes a complete list of the herps I saw in the wild on my 2016 MT Amazon Expeditions trip.

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