Mixed-species bird flocks (MSBFs) are fascinating social structures found in various forest ecosystems, where different bird species come together to forage and interact. These flocks can enhance ...

Animal control officials euthanized a mixed flock of domestic ducks, turkey, geese and guinea fowl at a farm in southern Washington County, Rhode Island, after the birds tested positive for H5N1 ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

Black ducks are often found mixed in with flocks of mallards. They also make very similar sounds to their mallard cousins. The hens quack, and the drakes have a high, quiet, nasal quack.