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Smithsonian Tropical Research Institute

Smithsonian Voices

Aaron O'Dea

Human Fishing Reshaped Caribbean Reef Food Webs, 7,000-Year-Old Exposed Fossilized Reefs Reveal

A groundbreaking study of 7,000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: As sharks declined by 75 percent and fish preferred by humans became smaller, prey fish species flourished—doubling in numbers and growing larger. This unprecedented look into prehistoric reef communities shows how the loss of top predators cascaded through the entire food web, shifting the balance among coral reefs

Rosannette Quesada Hidalgo | July 1, 2025

Adult Túngara frog

Frog Tadpoles That Grew Up In The City Developed Faster But Ended Up Being Smaller

Have you ever wondered how city life affects animals like frogs? A new study reveals that urban Túngara frog tadpoles develop faster —but end up being smaller — than tadpoles from forests, probably resulting in smaller adults. This might be an adaptation to warmer urban puddles with fewer predators or to constantly changing environmental conditions in the city

Rosannette Quesada Hidalgo | June 30, 2025

The forest breathes

Above the Tropical Forest Canopy, Sensors Capture the Fluxes of Gases Between the Trees and the Atmosphere

The air moving above the forest carries valuable information about how trees absorb carbon, and what may happen in the future as global temperatures rise

Vanessa Crooks | June 18, 2025

Frog defenders

Bezos Earth Fund Gives $2 Million Grant to Launch Groundbreaking Amphibian Conservation Project Across Latin America

A grant from the Bezos Earth Fund to help save 25 frog species through conservation, rewilding and disease prevention efforts

Vanessa Crooks | March 20, 2025
Dendrology course field trip

A New Course by ForestGEO Experts Teaches the Biodiversity of Panamanian Forests

Through a course in dendrology, the study of the taxonomy of woody plants in the absence of flowers or fruits, two experts in forest diversity seek to leave a legacy of knowledge for future generations

Vanessa Crooks | March 19, 2025
Illustration from the cover of "The First 100 Years of Research on Barro Colorado: Plant and Ecosystem Science (Volumes 1 and 2)"

The First Volumes of the BCI 100 Celebration Series Are Now Available Online

To celebrate a century of scientific research in the Barro Colorado Nature Monument, a series of volumes will provide a record of the major contributions to plant and ecosystem science, animal science, and the physical environment for future generations of researchers

Vanessa Crooks | March 10, 2025
Imama

Between Pasture and Forest: The Crusade to Protect the Jaguar in Panama

Fundación Yaguará Panamá not only leads the protection of the largest feline in the Americas in cattle ranching areas of the country, but also promotes gender equality by actively involving women in key roles in the project, both at the scientific and community levels.

Leila Nilipour | July 23, 2024
Coatis-Credit Christian Ziegler-Max Planck Institute of Animal Behavior.jpg

Smarter Foragers Do Not Forage Smarter

Why do primates have big brains? In the Panamanian rainforest, scientists pitted large-brained primates against smaller-brained mammals to find out who was the smartest forager.

Max Planck Institute of Animal Behavior and STRI | May 29, 2024
2 A7S08978_Rodnyel Arosemena (1).jpg

Indigenous Marine Scientist Studies Fish Feeding Evolution in Panama

Through advanced isotopic analyses, Rodnyel Arosemena seeks to understand how fish in the Caribbean and the Pacific that had a common ancestor take advantage of the resources of their different environments today.

Leila Nilipour | April 19, 2024
2021-04-21 16.32.47 (1).jpg

Red Flags: I'm Not the Bug for You

Recent research conducted in Panama has revealed that the waving behavior exhibited by matador bugs, with their attractive hind-leg flags, are neither mating displays nor distraction tactics against predators, as previously thought.

Leila Nilipour | April 3, 2024
Ant Bird Group_2024_0803_JAleman-41.jpg

Following the Swarm: Making a Documentary Short Film In Panama’s Tropical Forest

At the Smithsonian Tropical Research Institute, researchers track swarms of carnivorous army ants and the birds that follow them. A new documentary reveals a glimpse of life, and research, in the Neotropics

Olivia Milloway | April 3, 2024
A7S02947_Ana Endara_STRI.JPG

Rare Shark Spotted for the First Time in Panama’s Eastern Pacific

The elusive prickly shark was observed during a submarine expedition to the depths of the Cordillera de Coiba seamounts, a biodiversity hotspot and marine protected area

Leila Nilipour | March 9, 2024
BCI_20190518_SRP-354.jpg

A 17-Year Study Reveals How Dead Leaves Are a Tropical Forest Lifeline

A 17-year experiment in Panama revealed that the process of leaves falling and decomposing on the ground provides nutrients to the soil that help promote tree growth in otherwise infertile tropical forests.

Leila Nilipour | February 22, 2024
Joshua Tewksbury

Why the World Needs a Standard Measure for Counting Carbon

To jumpstart the carbon economy, scientists around the globe need to be aligned in how they analyze the solutions to the climate crisis

Joshua Tewksbury | December 13, 2023
Image 02_Opossum & sabretooth marsupial skulls_by Javier Luque.jpg

Extraordinary Fossil Find Reveals Details About the Weight and Diet of Extinct Saber-Toothed Marsupial

A 13-million-year-old saber-toothed marsupial skeleton discovered during paleontological explorations in Colombia is the most complete specimen recovered in the region

Leila Nilipour | October 12, 2023
Dr. Ruth Bennett holding Summer Tanager

Drink Coffee, Eat Chocolate, Save Birds!

A new initiative will make it easier for regional coffee and chocolate industries in Latin America to join the global movement to produce sustainable food.

Elisabeth King | October 4, 2023
2_1 fossil genes.jpg

A Turtle Time Capsule: DNA Found in Ancient Shell

Paleontologists discover possible DNA remains in fossil turtle that lived 6 million years ago in Panama, where continents collide

Leila Nilipour | September 28, 2023
Victoria Flores and Sara Vasquez (photo by Michael Le Chevallier).jpg

Gamboa Bat Nights: Bilingual Noches de Murciélagos along the Panama Canal

The first Sunday of every month, you can join researchers from the Smithsonian Bat Lab to get a close-up look at Panama’s bats

Olivia Milloway | September 22, 2023
Tree Frog

Barro Colorado Island, One Hundred Years of Science and Discoveries

Five Panamanian scientists share a glance at the experience of working in the tropical biologist’s dream, Barro Colorado Island

Vanessa Crooks | August 22, 2023
Categories
  • Connections in Nature (22)
  • Life in Deep Time (11)
  • Origins of Species and Societies (10)
  • Social Sciences (6)
  • Sustaining a Biodiverse Planet (32)
  • Tropical Research (39)
Archive
  • 2018 (3)
  • 2019 (3)
  • 2021 (16)
  • 2022 (12)
  • 2023 (10)
  • 2024 (14)
  • 2025 (17)

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