| Strikes by ships and entanglement in some types of fishing gear are the biggest threats to the endangered right whales. |
| Today the biggest threat facing right whales is collisions with ships and entanglement in fishing gear. |
| Thousands of porpoises, dolphins and whales are dying in European waters each year, due to entanglement in fishing nets. |
| Litter poses a threat to dolphins, whales, turtles and seabirds by entanglement in and ingestion of plastics. |
| I ease myself quietly from the entanglement of his body and push myself up into a sitting position. |
| It takes into account the inherent entanglement of psychophysical systems and the fact that such systems have their own history. |
