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animals

Black sea cucumber, also known as Holothuria atra
Posted inNews

Sea Cucumbers: The Excremental Heroes of Coral Reef Ecosystems

Hannah Thomasy, Science Writer by Hannah Thomasy 16 March 20214 October 2021

Drone surveillance reveals just how big a contribution sea cucumbers make to reef habitats.

A robotic arm retrieves an underwater hydrophone
Posted inScience Updates

Measuring Ambient Ocean Sound During the COVID-19 Pandemic

by P. L. Tyack, J. Miksis-Olds, J. Ausubel and E. R. Urban Jr. 4 March 20211 February 2023

An expanded nonmilitary hydrophone network provides new opportunities to understand the variability and trends of ocean sound and the effects of sound on marine organisms.

In the midst of a snowstorm, veterinarian Tone Heide prepares to take a blood sample from a reindeer in Svalbard, Norway
Posted inNews

Reindeer Have to Eat Up to Survive the Winter

by Rebecca Dzombak 29 January 202123 January 2023

Arctic biologists use 25 years of data to find that warmer autumns might be enough to increase the odds of reindeer’s winter survival on Svalbard.

A group of snailfish, animals that live in deep-sea ecosystems, feeding on a dead fish
Posted inNews

Sinking Fish May Fast-Track Mercury Pollution to the Deep Sea

by Carolyn Wilke 22 December 202018 March 2022

Isotopic analysis indicates that mercury found in deep-sea organisms may have an origin in carrion from near the surface.

A bunch of jellyfish
Posted inResearch Spotlights

El Zooplancton Gelatinoso Transfiere Una Cantidad Significativa de Carbono a las Profundidades del Océano

Rachel Fritts, Science Writer by Rachel Fritts 18 December 20209 November 2022

Un nuevo estudio muestra que las medusas y las salpas marinas no reciben el crédito que merecen por su papel en el ciclo del carbono en el océano.

Herd of wildebeests descends from a low cliff into a river.
Posted inNews

La Geología y la Química Impulsan la Migración Animal en el Serengueti

Katherine Kornei, Science Writer by Katherine Kornei 11 December 20206 September 2022

Trabajo de campo en Tanzania sugiere que la química del suelo—influenciada por el vulcanismo local y la actividad tectónica—podría ayudar a determinar la migración sin precedentes de más de un millón de ñus.

Black-legged ticks, also known as deer ticks, are responsible for transmitting Lyme disease in the United States and Canada.
Posted inNews

Lyme Disease and the Dangers of the Forest Edge

Hannah Thomasy, Science Writer by Hannah Thomasy 8 December 20209 September 2024

Living near a forest edge may be an important risk factor for Lyme disease; these liminal spaces provide the perfect habitat for one of the black-legged tick’s favorite hosts.

St. Barthélemy Island, viewed from the Coco Islet
Posted inScience Updates

By Land or Sea: How Did Mammals Get to the Caribbean Islands?

by P. Münch, P.-O. Antoine and B. Marcaillou 19 November 202022 August 2023

A multidisciplinary team is jointly investigating mammal evolution and subduction dynamics to unravel how flightless land mammals migrated to the Greater Antilles and other Caribbean islands.

A 3D computer illustration of Hesperosuchus, an extinct genus of crocodylomorph reptiles
Posted inNews

A Little-Known Mass Extinction and the “Dawn of the Modern World”

by S. Norris 9 November 202027 October 2022

Volcanic eruptions in what is now western Canada may have triggered a million years of rain and a mass extinction that launched the reign of the dinosaurs.

A white-crowned sparrow sings while perched on a branch
Posted inNews

Birds Sang a New Song During the Pandemic

Katherine Kornei, Science Writer by Katherine Kornei 5 November 20208 September 2022

White-crowned sparrows in the San Francisco Bay Area sang differently during California’s COVID-19-induced shutdown, recordings have revealed.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Sea Turtles, Shrinking Beaches, and Rising Seas

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Trees Shed Their Leaves to Adapt to Droughts

20 March 202620 March 2026
Editors' Vox

Rates of Mineral Dissolution from the Flask to Enhanced Weathering

20 March 202619 March 2026
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