Structures and functions of bird’s eye. (a) Bird vision. (b) Deep central fovea and four types of cones. (c) Foveated vision and tetrachromatic vision. The eyes of raptors such as eagles can ...

The density of the cones in the retina of a bird is two to three times the density in the human eye, making avian vision even crisper. Posted October 8, 2023 HERB WILSON ...

Today's optical illusion challenges users to find a hidden bird among vibrant flowers. The tricky visual puzzle plays with ...

For nature lovers it’s a truly alarming trend — national ornithologists report there are 29% fewer birds in the U.S. than in 1970.

The bird's eye view doesn't require high-definition cameras, as proven on other car models that offer it. Instead, they need a "fish-eye," 180-degree field of view camera.

Cold temperatures promote spread of a bird pink eye pathogen at winter feeders Date: February 11, 2025 Source: Virginia Tech Summary: A recent study by two biological science researchers found ...

“We work on them [bird calls] in the classroom… And then we’d go outside and people’s faces are just lighting up like, 'Oh, my gosh, that’s a chimney swift.’” Jerry Berrier, also helped to organize ...