Nine dolphin species, and several more subspecies and local populations, are currently critically endangered or endangered, according to the most recent assessment by the IUCN, the global wildlife conservation authority. September 12 marks World Dolphin Day, an awareness day created in 2022 by marine conservation nonprofit Sea Shepherd to bring attention to the threats that these highly intelligent mammals face. In late 2025, Lahille’s bottlenose dolphin (Tursiops truncatus gephyreus), a subspecies of the common bottlenose dolphin, was reclassified from vulnerable to endangered, with fewer than 400 individuals estimated to remain in the wild. Its main threat, according the IUCN, is being killed as bycatch in gillnet fisheries that operate along the coasts of southern Brazil, Uruguay and Argentina. While threats to species and sub-species remain, efforts are being made to protect and better understand dolphins across the globe, from research uncovering novel behaviors, and increased formal protections, to steps to end cruel confinement practices. For this World Dolphin Day, we present three recent Mongabay stories reporting on dolphins around the world. Illegal drift nets trap dolphins in the Mediterranean despite ban The use of drift nets to catch swordfish is banned in the Mediterranean because the gear often traps dolphins, whales, sharks and turtles. But recent investigations by the Environmental Justice Foundation (EJF) found it was still widely in use in the Alboran Sea between northwestern Morocco and the south coast of Spain, Mongabay’s Victoria Schneider reported in July. “We can see that it is having an impact on precious…This article was originally published on Mongabay

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