David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling under a lilypad, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617187
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617186
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617185
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01579695
Sandesh Kadur / Three Boulenger's tree frogs (Rhacophorus lateralis) on leaf at night, Coorg, Karnataka, Western Ghats, India.
01579694
Sandesh Kadur / Close-up of two Boulenger's tree frogs (Rhacophorus lateralis) on leaf at night, croaking, Coorg, Karnataka, Western Ghats, India.