Decadal density declines were found for seven of eight monitored species groups, including sperm whales (up to 31%), beaked whales (up to 83%), and small delphinids (up to 43%) after the Deepwater Horizon disaster.
2024 Study Finding: Decadal density declines were found for seven of eight monitored species groups, including sperm whales (up to 31%), beaked whales (up to 83%), and small delphinids (up to 43%) after the Deepwater Horizon disaster.