New York Times: Florida’s endangered manatees, already reeling from an unexplained string of deaths in the state’s east coast rivers, have died in record numbers from a toxic red algae bloom that appears each year off the state’s west coast, state officials and wildlife experts say. The tide has killed 241 of Florida’s roughly 5,000 manatees, according to the state Fish and Wildlife Research Institute, and the toll appears certain to rise. The number of deaths from the tide far exceeds the previous annual record…