The California Department of Fish and Wildlife said Friday that the highly pathogenic avian influenza was detected in migratory birds in several counties across the state. Lezlie Sterling ...

Changes in the number, shape, efficiency and interconnectedness of organelles in the cells of flight muscles provide extra ...

Tens of thousands of snow geese return to California’s wetlands every ... a major north-south path for migratory birds spanning from Alaska to Patagonia. Millions of birds, such as the snow ...

The least flycatcher (Empidonax minimus), a small North American bird, is facing mounting challenges as climate change alters its migration patterns. Recent studies reveal that these birds are ...

ARBUCKLE, Calif.—On a misty December morning, a few dozen sandhill cranes stood in shallow water in the middle of a flooded rice field in the Sacramento Valley, about 90 miles north of San ...

It is about 150 miles southeast of L.A. After trudging through slippery muck to the edge of ... survey of the birds in the West hadn't been done since the late 1990s. Migratory species are harder ...

and small backyard flocks in Lewis County, Wash., and Crook County, Ore. Migratory ... poultry farms in California and Utah. The Utah outbreak affected 1.8 million birds, according to USDA.

The subset of specialist species that are also migratory ... "Previous small-scale field studies showed potential adaptive behaviors in birds responding to climate change," Chen said.