Birds use their visual systems for important tasks, such as foraging and predator detection,
that require them to resolve an image. However, visual acuity (the ability to perceive spatial …

Most bats hunt insects on the wing at night using echolocation as their primary sensory
modality, but nevertheless maintain complex eye anatomy and functional vision. This raises …

All bats possess eyes that are of adaptive value. Echolocating bats have retinae dominated
by rod photoreceptors and use dim light vision for navigation, and in rare cases for hunting …

Echolocating bats hunt prey on the wing under conditions of poor lighting by emission of
loud calls and subsequent auditory processing of weak returning echoes. To do so, they …

Pteropodidae is the only phytophagous bat family that predominantly depends on visual and
olfactory cues for orientation and foraging. During daytime, pteropodids of different species …