A marine invader
Species invasion throughPanama Canal? Pacific jingleshell found in Caribbean
Enero 24, 2014
Scientists first discovered the shiny sea critter in 2009. Genetic testing suggested it crossed the canal on more than one occasion.
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Profile: Kristin Saltonstall
Fire fuels invasive grass
Octubre 19, 2012
Panama’s infamous canal grass rises from the ashes of fire much faster than trees, complicating reforestation efforts.
Maya Dog Mystery
First Evidence of Live-traded Dogs for Maya Ceremonies
Marzo 21, 2018
At one of the oldest Maya sites, STRI staff archaeologist, Ashley Sharpe, discovered dog bones from the Guatemalan highlands deep within two pyramids.
Learning from other species
Predators learn to identify prey from other predators
Marzo 21, 2018
It is much faster to learn to recognize a new prey item from a neighboring species, than to learn by trial and error.
What stops mass extinctions?
Lessons From Amphibian Die-off in Panama
Marzo 30, 2018
What slows or stops a disease epidemic if the pathogen is still present? It appears that wild frogs are becoming increasingly resistant to the chytrid fungal disease that has decimated amphibian populations around the world.
A damselfish moves to Mexico
An Indo-Pacific damselfish takes hold on the other side of the globe
Mayo 23, 2018
Smithsonian marine biologist Ross Robertson suspects that the regal demoiselle hitched a ride to the Gulf of Mexico on an oil rig. Its outstanding success in its new habitat raises questions about its impact in the Gulf.
Invading the hemisphere
Coastal study from Panama to Alaska discovers where marine invaders fare better
Mayo 30, 2018
Initial results from a massive study comparing marine organisms sampled along the Pacific coast from Alaska to Panama with samples from the Atlantic show that the success of invaders is lopsided.
Behavioral evolution
First report of stone tool use by Cebus Monkeys
Julio 09, 2018
White-faced capuchin monkeys in Panama’s Coiba National Park habitually use hammer and anvil stones to break hermit crab shells, snail shells, coconuts and other food items, according to visiting scientists at the Smithsonian Tropical Research Institute (STRI). This is the first report of habitual stone-tool use by Cebus monkeys.
Adaptation
Surfer’s Ear Points to Ancient Pearl Divers in Panama
Enero 18, 2019
A small bump in the ear canal of skulls from burials near the Gulf of Panama, may indicate that ancient coastal residents dove in icy waters to recover pearls and valuable orange Spondylus shells.
Approach angle
Bats use leaves as mirrors to find their prey in the dark
Agosto 09, 2019
Bats can find motionless insects on leaves in the dark. This was thought to be impossible, because the acoustic camouflage provided by the leaves should confuse their echolocation system. Inga Geipel and colleagues discovered how they overcome this problem.
