On Thursday, scientists discovered the first casualty from the highly pathogenic avian influenza in a cackling goose.

Brazil is investigating another four new potential cases of highly pathogenic avian influenza (H5N1) in wild birds, according to authorities from the state of Espirito Santo, where Brazil's first ever cases were confirmed this week.

This is the quietest spring I’ve experienced. It’s not my hearing. The Merlin app is hardly picking any bird songs up.

The Ministry of Health of Chile notified WHO of the detection of human infection with avian influenza A(H5) virus. The patient is a 53-year-old male from the Region of Antofagasta in the north of Chile.

The whooper swan, which calls Europe and Asia home, first made headlines last year when it stopped among the flock of local trumpeter and tundra swans that seasonally eat and rest in the Yukon. Avid birders wondered how it managed to fly so far off-course from its usual migration routes. Some birders believe the same swan has made a second visit.

A pet dog in Oshawa has died after testing positive for avian flu, the Canadian Food Inspection Agency says. The CFIA says the number of documented cases of H5N1 — also known as avian flu — in other species like cats and dogs is low, and based on current evidence, the risk to the general public remains low.

Avian flu has decimated the marine creatures on the country’s Pacific coastline and scientists fear it could be jumping from mammal to mammal