Area of Focus: Marine Mammals

Populations remain healthy under most future climate and development projections

Florida manatee populations increased just as human populations grew during the 1800s and 1900s

Decades of analysis in the Baffin Bay population reveals harvest pressure may be causing declines

Ship noise interferes with the ultrasonic echolocation the marine mammals use to catch fish

Numbers have declined a small amount despite increase in harvesting in some areas

Researchers worry it’s an “early warning sign” that the population is in jeopardy

The species was one of 12 whose statuses were being reconsidered

Researchers combined sounds from the sea with views from the air

The population is down to only 73 reproductive females

An anchovy boom has brought vast numbers to Fisherman’s Wharf