a24f8ac4_uxent_Wildlife_Research_Center__Reference_on_Site
[Did You Know...] that autumnal die-offs, involving hundreds of migratory birds, occurred in Chesapeake Bay in 2001, 2004 and 2005? [Reference on Site] 
The most prominent events were at the Poplar Island Complex in proximity to brackish impoundments with algal blooms and elevated cyanobacteria counts (Anabaena spp.). Although avian botulism was documented as the cause of death of some individuals, recent evidence suggests that cyanobacteria toxin microcystin (MC) may play a role in the initiation of such botulism outbreaks. More information...
Did you know? - Patuxent Wildlife Research Center
Reference on Site