Many animals' eyes glow in the dark, thanks to a reflective layer behind the retina.
Animals with Glowing Eyes
While many animals possess this trait, here are a few examples mentioned in the provided reference:
- Mammals: The reference states that the majority of glowing eyes belong to mammals.
- Spiders: Spiders also have eyes that reflect light.
- Alligators: These reptiles possess reflective eyes.
- Bullfrogs: Some amphibians, like bullfrogs, exhibit eyeshine.
- Some Night Birds: Although the source of the eyeshine in night birds is still being researched, they can have glowing eyes. Their eyes lack a tapetum layer, unlike mammals.
| Animal Category | Examples | Notes |
|---|---|---|
| Mammals | Many | The majority of glowing eyes. |
| Arachnids | Spiders | Eyes reflect light. |
| Reptiles | Alligators | |
| Amphibians | Bullfrogs | |
| Birds | Some Night Birds | Source of eyeshine is still being researched; lacks tapetum lucidum. |
