#spinner dolphins

Hawaiʻi Island spinner dolphins are producing less calves, new study reveals

In the study, scientists used drone photography to measure the body length of free-swimming dolphins, which revealed a decline in the number of calves.

Toxoplasmosis spread by cats poses growing threat to endangered nēnē, public health

Nēnē, Hawaiʻi’s state bird, face a growing threat not just from predators—but from disease. Feral and free-roaming cats are transmitting toxoplasmosis, a parasitic disease that is increasingly killing these endangered geese, according to conservationists at Pacific Birds Habitat Joint Venture.

University of Hawaiʻi scientists use drones to determine age-structure of dolphin groups

University of Hawaiʻi at Mānoa researchers in the School of Ocean and Earth Science and Technology are now able to determine the age-structure of free-ranging dolphin groups by using drone photography.

Free Presentation: “Spying on Spinners: What We Can Learn From Listening”

A free presentation called “Spying on Spinners: What We Can Learn from Listening” on Wednesday, Oct. 13 at 5:30 p.m. via Zoom will take a look at research conducted in the Maui Nui region (Maui, Moloka‘i, Lāna‘i and the ‘Au‘au Channel) that listened to spinner dolphins to learn more about their behaviors. 

New Federal Rule: Stay 50 Yards away from Hawaiian Spinner Dolphins

Today, NOAA Fisheries finalized a rule authorized under the Marine Mammal Protection Act that prohibits swimming with, approaching or remaining within 50 yards of a Hawaiian spinner dolphin.