Asymmetrical exchange
Unequal migration across the land-bridge millions of years ago
Octubre 06, 2020
The disproportionate extinction of South American mammals when the Americas collided is still evident today
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Displaying 30 of 58 results.
Bat Hormones
Male bats with high testosterone levels have large forearm crusts when females are fertile
Diciembre 17, 2020
Male Fringe-Lipped bats smear a sticky, odorous substance on their forearms. When this was discovered, researchers guessed that it might play a role in mating. Post-doctoral fellow Mariana Muñoz-Romo has confirmed that the presence and size of the forearm "crust" is, indeed correlated with other reproductive traits.
Ricardo Moreno
Advances in scientific research and conservation of the jaguar in Panama
Enero 08, 2021
The seminar series via Zoom titled How did I get here? Scientific Stories is carried out thanks to the support of the Inter- American Development Bank (IDB). For the 6th seminar on January 2021, Smithsonian invited Ricardo Moreno, Director of the Yaguará Panama Foundation, STRI Associate Researcher and National Geographic Emerging Explorer with the talk entitled, Advances in scientific research and jaguar conservation in Panama.
Foster care
Baby vampire bat adopted by mom’s best friend
Febrero 09, 2021
The strong relationship formed between two female adult vampire bats may have motivated one of the bats to adopt the other’s baby.
Tropical Taxonomy
Like a cooking show with worms: Smithsonian videos teach Taxonomy of diverse Marine creatures
Abril 09, 2021
At the Smithsonian’s Bocas del Toro Research Station, in Panama, marine biologist Rachel Collin runs an educational program that recruits international experts to teach and create videos about how to collect, preserve and observe marine invertebrates, passing down their very specific knowledge to aspiring taxonomists.
Kudos
Mary Jane West Eberhard receives Linnean Medal for Zoology
Junio 09, 2021
“Her unification of developmental plasticity and genetics is a huge advance in our understanding of evolution. Her decades-long work with tropical social wasps focusing on careful field observation is testimony to what a careful observer of natural history can contribute to evolutionary biology.”-the Linnean Society
Irrational choices
Bats fall for the Decoy Effect
Agosto 10, 2021
How does having a third choice (a decoy) change the way fruit-eating bats choose what to eat?
Weevil warriors
Is it Cheaper to be bigger? Lessons from the extreme weapons of giraffe weevil warriors
Agosto 26, 2021
How can larger animals bear the increased energetic costs of maintaining disproportionately large weapons?
Deceiving plumage
Female Hummingbirds look like males to avoid harassment
Agosto 31, 2021
Colorful female Jacobins in the wild may feed more frequently and for longer periods than their drab counterparts
Hearing test for tropical bats
Hearing sensitivity of bats may explain their great diversity in tropical forests
Septiembre 08, 2021
A mobile hearing test determined that the hearing sensitivity of Neotropical bats is associated with the sounds generated by their prey, demonstrating how hearing ability may relate directly to niche differentiation.
