by Bethany Smith | Sep 7, 2022 | Map
First recording of bowhead whale songs HSWRI researchers were part of the team that first recorded bowhead whale songs in 1977 and then later analyzed the first mother – calf bowhead sounds in 1979. Subsequent research has shown bowhead whales exhibit elaborate...
by Bethany Smith | Sep 7, 2022 | Map
DDT's effect on birds HSWRI researchers were the first to recognize DDT-related damage to pelican eggs. Exhaustive scientific studies showed that DDT was partially, if not wholly, responsible for the population decline by reducing egg thickness. At that time the...
by Bethany Smith | Sep 7, 2022 | Map
Preventing dolphin entanglements in tuna nets From 1969 to 1976 HSWRI researchers worked in conjunction with Southwest Fisheries Science Center tagging and tracking 3,712 dolphins in the eastern tropical Pacific Ocean. Researchers were trying to discover any migration...
by Bethany Smith | Jul 21, 2022 | Map
Dolphin social associations from calf to juvenile In many long-lived mammalian species, association patterns between individuals have been found to influence sociality, behavioral traits, survival, and longevity. In common bottlenose dolphins (Tursiops truncatus), the...
by Bethany Smith | Jun 24, 2022 | Map
Eliminating interactions between killer whales and longline fisheries Increased sablefish or black cod (Anoplopoma fimbria) catches in the 1980s in Prince William Sound and the Bering Sea lead to more reports of killer whales interfering with fishing vessels by...
by Bethany Smith | Jun 24, 2022 | Map
Hearing and metabolism of desert tortoises Testudinates (turtles and tortoises) have been characterized as deaf because many species exhibit little response to sounds in their environment. However, they possess auditory organs, and several species of tortoises,...
