Bird eggs range in colors and can be ornately maculated with spots, blotches and scrawls. They vary in shape and size, and they must be thick enough to withstand the weight of an incubating parent but ...

"It's hard not to feel like a proud parent seeing them out there thriving and making history," London Zoo bird keeper Charlotte James said Jonny Shepherd/TNC-ZSL; TNC-ZSL The once-extinct Sihek bird ...

European starlings, an invasive species in the U.S., lay blue eggs often mistaken for those of bluebirds or robins. Unlike native birds, starlings outcompete local species and are not protected by law ...

Perhaps the most famous nest hijacker in the bird world, the common cuckoo has even given rise to the phrase “cuckooing.” A female cuckoo carefully watches her host bird, usually small songbirds like ...

The first wild eggs of an endangered bird have been laid for the first time in almost four decades, and the Cincinnati Zoo & Botanical Garden helped to play a role!The zoo says Sihek, an endangered ...

🛍️ 100+ early Prime Day deals. Get shopping now. 🛍️ Sex reversal may be more common in wild birds than we thought. By Laura Baisas Published Aug 13, 2025 1:53 PM EDT Get the Popular Science daily ...

Warming temperatures have prompted a rare hybridization of a blue jay and green jay, according to researchers at the ...