A revolution took place in the Pacific over a 30-year period. Between the 1980s and 2014, new groups of sperm whales replaced the thousands who had normally occupied the Galápagos Islands area. Who was who and where did they emigrate or immigrate? The answers are here.
We will soon have many unexpected insights into human and other species problems such as disease or simply anthropology. The chemicals that control our every movement and thought are inherited. Now even the dogs we breed can be recruited to help understand and back-up documentation of how inter-related we all are. Cancer and other disease problems are certainly being answered with this kind of research. Next we could see even more advances in research using information gleaned from other species.
When dolphins are 'rescued' in various countries, the car given seems to be ill-considered. We are simply looking at the success rate which is reported to be low, in most places. They could even end up in commercial aquarium shows, but they certainly rarely make it back to the sea.