Apr. 17, 2025 — A vaccine under development has demonstrated complete protection in mice against a deadly variant of the virus that causes bird flu. The work focuses on the H5N1 variant known as ...

A bird’s beak colour can change due to various factors like age, diet, hormones, or seasonal changes. For example, some birds develop brighter beaks during mating season to attract partners.

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Apr. 17, 2025 — A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme ...

As the H5N1 bird flu virus mutates and rapidly spreads through American cattle herds — a first for the U.S. — doctors and veterinarians are fearful that if the virus is left unchecked ...

Bird flu has been circling the globe for decades. So the discovery in 2024 that the deadly pathogen had jumped from a wild bird to a cow came as a shock to virus watchers. Now, in just over a year ...

While people say that the window to a person’s soul is their eyes, bird people say that bird poop is the window to a bird’s health. And this couldn’t be more true. Poop may be a subject with which pet ...

Bird beaks come in almost every shape and size - from the straw-like beak of a hummingbird to the slicing, knife-like beak of an eagle. We have found, however, that this incredible diversity is ...

There's nothing quite as delightful as getting a visit from a little backyard bird. From bluebirds to woodpeckers to hummingbirds, these avian beauties add music and movement to yards and gardens all ...

The 2025 edition of the Great Backyard Bird Count soared to record participation and number of species documented, according to organizers. Highlights of this year's event included 8,078 bird ...

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 ...