bottlenose dolphins
World Data Ocean keeps bottlenose dolphins in one place: 4 stories so far. The section currently leads with “Measuring growth patterns in Sarasota Bay dolphins through integrated data methods”, “Measuring the metabolic cost of seasonal change for Sarasota's bottlenose dolphins”, and “Decades of photo-ID data reveal Sarasota dolphins' seasonal patterns”. Fifty years of hands-on measurements reveal what remote sensing cannot: the subtle growth patterns of individual bottlenose dolphins in Sarasota Bay. In Sarasota Bay, a dolphin burns energy like a sea lion. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to… The list below is every bottlenose dolphins story on World Data Ocean, newest first.
Measuring growth patterns in Sarasota Bay dolphins through integrated data methods
Fifty years of hands-on measurements reveal what remote sensing cannot: the subtle growth patterns of individual bottlenose dolphins in Sarasota Bay. By modeling repeated data from 277 animals, this study finds sexual dimorphism across twenty body traits, males grow larger, females mature faster, with strikingly low individual variation. Understanding these sex-specific developmental pathways sharpens our view of how morphology shapes adaptation. For deeper context on seasonal pressures, see our related work on the metabolic cost of seasonal change for these same dolphins.
Measuring the metabolic cost of seasonal change for Sarasota's bottlenose dolphins
In Sarasota Bay, a dolphin burns energy like a sea lion. Measuring the field metabolic rate of 14 bottlenose dolphins over two years, researchers found summer rates 5.3 times higher than resting metabolism under human care. These animals carry more fat in winter and drink far less water. As waters warm, this already expensive lifestyle may become unsustainable, especially if prey quality declines. Our related decades of photo-ID data reveal Sarasota dolphins' seasonal patterns offers deeper context on their long-term resilience.
Decades of photo-ID data reveal Sarasota dolphins' seasonal patterns
For nearly five decades, the Sarasota Dolphin Research Program has watched a resident community of bottlenose dolphins, and that long view is now revealing clear seasonal rhythms. New robust-design models analyzing photo-ID data from 2013-2022 show abundance swelling from roughly 139 dolphins in winter to over 167 in summer before receding each fall. The resident core remains stable; movement drives the numbers. Understanding these patterns is foundational, and validated, longitudinal data make it possible.
Longitudinal Study Tracks Reintroduced Dolphins' Wild Behavior
In 1990, two subadult male bottlenose dolphins returned to Tampa Bay after two years of echolocation research, and their readaptation defied the odds. Misha and Echo didn't just survive; they thrived, establishing stable ranging and social patterns within months. Dedicated resightings over 16 and 25 years, respectively, revealed typical adult male associations, a first for experimental cetacean releases. This long-term photo-identification data proves that short-term monitoring alone is insufficient.