Brilliant Forest Frog (iNaturalist link) or Warszewitsch’s frog, Rana warszewitschii, is a species of frog in the Ranidae family found in Costa Rica, Honduras, Nicaragua, and Panama. Its natural habitats are subtropical or tropical moist lowland forests, rivers, intermittent rivers, plantations, rural gardens, urban areas, and heavily degraded former forests. It is threatened by habitat loss. ~iNaturalist
I found it this morning in the “Frog Pond” of Arenal Observatory Lodge where I usually find Red-eyed Tree Frogs on night walks here. (I’m getting a private night walk later this week for photos.) The guys at the front desk had no idea of the ID and at first I could not find it on the web, but they helped me with this ID using one of the fold-out ID charts they sell and I followed up with the above link to an iNaturalist website. 🙂
When I did a Google Search for “Brilliant Forest Frog” one of my 2019 blog posts came up on this species I saw at Macaw Lodge which has different hind legs but “Brilliant Forest Frog” is what that lodge staff told me it was. The beige top and wide black stripe down the side are the same. Maybe they are cousins? 🙂
See that other frog with this ID in my Brilliant Forest Frog GALLERY. They may or may not be the same species. 🙂
Or better yet, see my bigger Amphibians Costa Rica GALLERY.
And MERRY CHRISTMAS or ¡Feliz Navidad!