- Birds at higher/colder latitudes lay darker eggs because the color help the embryos growing inside stay warm. https://www.nature.com/articles/s41559-019-1003-2 3 comments science
Linking pages
- Bird eggs in cold climates are darker, which may keep eggs warm | Science News https://www.sciencenews.org/article/bird-eggs-laid-cold-climates-are-darker-may-keep-eggs-warm 0 comments
- Why are birds' eggs colourful? New research shows it's linked to the shape of their nests https://theconversation.com/why-are-birds-eggs-colourful-new-research-shows-its-linked-to-the-shape-of-their-nests-169095 0 comments