Trans birds
Testosterone results in male-like behavior of female golden-collared manakins
Enero 30, 2019
How flexible are bird brains in response to hormones?
How flexible are bird brains in response to hormones?
For these four women, the Smithsonian Institute’s internship program represented an opportunity to explore their research questions in the field
By taking on characteristics from another, younger stage in its life-cycle, this fossil crab was probably able to adapt to new conditions.
These ghostly larvae float freely in seawater, while their parents live on the sea floor and usually go undetected. Genetic studies of larvae provide clues that there are more species to be discovered
In commemoration of the 500th Anniversary of Panama City, a STRI exhibition celebrates the close relationship between Panamanians and corn, from its use by the first settlers of the isthmus to the present
The discerning eye of staff scientist, Annette Aiello, observed the fearless behavior of an iridescent insect resembling a bird dropping containing embedded, blue seeds.
A collaborative effort at Barro Colorado island described the daily rhythm of a rare half male-half female bee
A scientific mission in the Panamanian jungle found some of the largest trees in the country
As the Earth’s surface transforms, entire ecosystems come and go. The anatomy of fossil plants growing in the Andean Altiplano region 10 million years ago calls current paleoclimate models into question, suggesting that the area was more humid than models predict.
The strong relationship formed between two female adult vampire bats may have motivated one of the bats to adopt the other’s baby.