A transparent inner eyelid is called the nictating membrane. It protects the frog's eyes when the animal is underwater. :-) If you've ever noticed a frog blinking when it eats, it's because it uses its eyeballs to swallow. It can't chew its food effectively, or use its tongue to push food down its throat, so instead it uses its eyes. The eyes sink down into the skull, pushing the food along..!! :-D From: animal.discovery.com/tv/vanishing-frogs/anatomy/frog-eyes...
I have been trying to find this little guy for some time now. A very very alert frog. Always deep inside the thickest of bushes. Moreover he would make it almost impossible for me to find him by stopping his call on the slightest movement. Finally I got lucky yesterday :-)Species Information here: www.iucnredlist.org/details/summary/58928/0
Summary[edit] Description: English: Image of R. honnametti from type locality. Date: 2 March 2016. Source: Integrative Taxonomic Approach for Describing a New Cryptic Species of Bush Frog (Raorchestes: Anura: Rhacophoridae) from the Western Ghats, India. PLoS ONE 11(3): e0149382. doi:10.1371/journal. pone.0149382. 2016. Author: Priti H, Roshmi RS, Ramya B, Sudhira HS, Ravikanth G, Aravind NA, et al. (2016).
Summary[edit] Description: English: (a) male and (b) female (Holotypes in life) of Raorchestes kakachi. Date: 19 July 2011, 08:38:04. Source: Own work. Author: Seshadri.K.S.
Summary[edit] Description: English: Raorchestes silentvalley, Rhacophorinae, bush frog from Silent Valley National Park, India. Date: 3 May 2012, 21:16:16. Source: Own work. Author: David V. Raju.
An endangered frog endemic to the Western Ghats..Earlier It was called Philautus neelanethrus.. neelanethra means blue eyed in ... Now it is called Raorchestes luteolus :-)A short video goes here: www.youtube.com/watch?v=xdXPEoC8_fg&feature=plcp
Summary[edit] Description: English: Raorchestes silentvalley, frog from western Ghats. Date: 2 May 2012, 19:48:33. Source: Own work. Author: David V. Raju.
Summary[edit] Description: English: Raorchestes tuberohumerus, Bababudan Hills, frog from India. Date: 14 July 2015, 10:05:43. Source: Own work. Author: David V. Raju.
Summary[edit] Description: English: Raorchestes ponmudi (identified by K.V. Gururaja), Wynaad. India. Date: 15 November 2015. Source: Own work. Author: L. Shyamal.