An outbreak of avian cholera has killed 10,000 to 15,000 ducks and geese in the Klamath Basin National Wildlife Refuge complex, reports the Wildlife Management Institute. Most of the affected species are snow and Ross' geese, pintail ducks, and coots. While cholera outbreaks are not unusual and are not significant in populations exceeding 2 million birds, this is the worst die-off in the last 10 to 15 years, caused largely by not having enough water to provide adequate wetland habitat for the number of birds that move...
