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“#Shelling out for dinner: Dolphins learn foraging skills from peers” Shark Bay dolphins underwater. Credit: Sonja Wild – Dolphin Innovation Project A new study demonstrates for the first time that dolphins can learn foraging techniques outside the mother-calf bond—showing that they have a similar cultural nature to great apes. The dolphins of Shark Bay, Western…
“#Tiny brains, big surprise: Eavesdropping wasps gain insights about fighting abilities of potential rivals” Portraits of four Polistes fuscatus paper wasps. Credit: Elizabeth Tibbetts. Paper wasps eavesdrop on fighting rivals to rapidly assess potential opponents without personal risk. This new finding adds to mounting evidence that even mini-brained insects have an impressive capacity to learn,…
“#Spider baby boom in a warmer Arctic” The wolf spider Pardosa glacialis is extremely common in the Arctic tundra. If, in future, it produces two generations of offspring during a season, these may have a significant effect on the prey on which the spider lives. Credit: Jörg U. Hammel Climate change leads to longer growing…
“#Bremer sub-basin is a killer whale feeding range, and wildlife tourism helps study their behavior” Credit: Rebecca Wellard, Curtin University/Project Orca Researchers have uncovered more information about the numbers and habits of killer whales in south Western Australian waters, with a Curtin University study providing the first baseline assessment of the species’ occupancy patterns in…
“#Shy species detected through new DNA technique” Credit: WA Museum New species-specific tests that can detect endangered and hard-to-find aquatic animals through the DNA they shed in the water has been created by researchers at the University of Adelaide and Curtin University. The tests, which are developed by sequencing the mitochondrial genome of an individual…
“#Mass saiga calving sparks hope for a critically endangered species” Credit: Bakhtiyar Taikenov/ACBK The last 30 years have not been kind to the saiga. The break-up of the Soviet Union in 1991 triggered a poaching free-for-all and the loss of more than 95% of the global population, a catastrophe followed by successive mass die-off events….
“#Research suggests that trees absorb less carbon dioxide as the world’s temperature rises” Credit: CC0 Public Domain The world’s forests play an important role in mitigating climate change. They are carbon sinks, meaning they absorb more carbon dioxide than they emit. But according to new research, the most prolific tree in North America—the Douglas fir—will…
“#Conservation efforts to open up rattlesnake habitat bring in much-needed sunlight but could attract more predators” New results suggest that conservation efforts to open up overgrown snake habitat do provide more opportunities for pregnant timber rattlesnakes to reach temperatures necessary for embryos to develop, as intended. Here, a mother snake watches over her young. Credit:…
“#Resident parasites influence appearance, evolution of barn swallows” A barn swallow in the Czech Republic stares inquisitively at the camera. Credit: Amanda Hund Barn swallows live almost everywhere on the planet, recognizable by their forked tail and agility in the air. Yet while they share these characteristics, these little birds often look slightly different in…
“#Study quantifies socioeconomic benefits of satellites for harmful algal bloom detection” Credit: CC0 Public Domain Heading to the lake this summer? While harmful algal blooms can cause health problems for lake visitors, satellite data can provide early detection of harmful algae, resulting in socioeconomic benefits worth hundreds of thousands of dollars from one harmful algal…