Zoology

Biodiversity

The Geoffroy’s cat and its behavior

Biologists monitored a population of Geoffroy's cats (Leopardus geoffroyi) in the Caverá mountains

by

Video

New species of colorful fish stuns researchers

Discovery off the São Pedro and São Paulo Archipelago is evidence of a unique and little known fauna

by

Biodiversity

The isolated jaguars of Espírito Santo State

Researchers tries to to learn more about the largest feline on the continent, the jaguar

by

Ecology

Deep sea alliances

Six species of cleaner fish from the Rocas Atoll obtain food by removing parasites from larger fish

by

Biodiversity

The (almost) inaudible song of a hummingbird

The black jacobin hummingbird's song is inaudible to other bird species

by

EVOLUTION

Male or female? The mystery unfolds

Amazonian frog species has more sex chromosomes than any other vertebrate

by

ECOLOGY

The gears of the forest

The loss of more than 60% of native vegetation within a region leads to profound changes in how it operates

by

ZOOLOGY

Solitary sand spiders

Isolated Sicarius populations inhabit Brazil’s Caatinga (semi-arid scrublands) and desert areas of Argentina, Peru and Chile

by

ENTOMOLOGY

Invisible moths

These very small Insects spend most of their lives as larvae inside stems and leaves

by

CHRONOBIOLOGY

A clock that works in the dark

Researchers come together to reveal the circadian rhythms of tuco-tucos

by

paleontology

Fossils on the move

3D reconstructions highlight new characteristics of dinosaurs

by

PALEOBIOLOGY

More than met the eye

Fossilized burrows suggest complex organisms arose before the Cambrian

by

BIOLOGY

The chemical language of insects

Bees and ants recognize each other through compounds that cover their bodies

by

Biodiversity

The first global reptile map

An effort has mapped the global distribution of 10,064 reptile species

by

Biodiversity

Nearly 400 new species are discovered in the Amazon

Nearly 400 new species are discovered in the Amazon

by

Photolab

At the bottom of the Amazon

At the bottom of the Amazon

by

Ecology

Deep sea alliances

Cleaner fish obtain food by removing parasites from larger fish

by

Biodiversity

Tambaqui stocks in decline

The average size of the tambaqui has halved and it is less frequently caught

by

Photolab

Tracked in movement

Tracked in movement

by

Biodiversity

Pesticide may affect bees

Insecticides that coat commercial seeds are affecting bee populations

by

photolab

The comforts of home

The comforts of home

by

Zoology

Genetics explains color of seedeater plumage and atrophied wings of cormorants

Genetics explains color of seedeater plumage and atrophied wings of cormorants

by

BIOLOGY

Creatures of the urban night

Nearly half of the bat species in Brazil live in cities

by

ECOLOGY

In the stone jungle

Inventory finds unexpected species diversity in the São Paulo capital

by

biodiversity

Tiny spiders have different mechanisms for recognizing colors

Tiny spiders have different mechanisms for recognizing colors

by

Chronobiology

Chronobiology: rhythms and cycles

Physics, biology and technology unite to unravel a rodent's circadian rhytms

by

Paleontology

Animals of Paraná

Fossils indicate the existence of fauna that lived 40 million years ago

by

Zoology

Spines filled with poison

Gland at the end of hairs produces toxic secretion in stinging caterpillars

by

Evolution

A silent call

Brachycephalus froglets, from the Atlantic Forest, don't hear their own calls

by

Careers

Hands soiled with oil

Company specializes in rescuing and rehabilitating fauna affected by oil spills

by