Learn more from NOAA's marine debris program: 

• What We Know About Entanglement and Ingestion

Regional resources:

• Alaska: Marine Mammal Entanglement and Marine Debris in Alaska
• New England/Mid-Atlantic: Marine Mammal and Sea Turtle Disentanglement in the Greater Atlantic. 
• Pacific Islands: Stranding and Entanglement Response 
• Southeast: Marine Mammal Health and Stranding Response Program
• West Coast: SOS WHALe: the Marine Mammal Disentanglement Network