Ethology

Ethology

Underground amphibians produce “milk” to feed their young

Study published in Science describes nursing behavior in caecilian species found in Brazil

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Communication

Brazilian researcher wins award for dance about kangaroos

Doctoral student’s music video sharing the results of his research in Australia won the international Dance Your Ph.D. competition

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Ethology

Communication and diet different in urban primates

Pied tamarins in Manaus use smell to complement vocalizations, while howler monkeys in Rio Grande do Sul add barbecue to their vegetarian diet

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INTERVIEW

Maria Esther Maciel: In counterpoint to the mechanization of life

The acclaimed writer and researcher has completed a trilogy on the place of animals in contemporary society

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Animal behavior

Observe, then approach

Dogs choose who to interact with based on body language and facial expressions

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Photolab

The harvestman with eight canes

Of all the harvestman species found in Brazil, Giupponia Chagasi is the best adapted to living in caves—a trait known as troglomorphism

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Zoology

Cooperation between parrots

Biologists have discovered possible evidence of cooperative behavior among birds that has previously only been observed in mammals

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Video

These parrots use probability to get food

Biologist Amalia Bastos shows that birds from New Zealand can make calculations that so far only humans and chimpanzees were known to use

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Interview

Vera Lucia Imperatriz Fonseca: The vast world of bees

For 20 years, the biologist has defended the role of pollinators in conserving native forests and expanding agricultural production

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Ethology

High-altitude flight

The bar-headed goose is capable of flying at great heights

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Ethology

Changes in primate culture

Capuchin monkeys (Sapajus libidinosus) living in Serra da Capivara National Park in Piauí 3,000 years ago knew how to break and crush fruits and seeds using stones

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Video

Characterizing ecosystems through sound

Acoustic information portrays environments and set natural changes apart from those caused by human action | 7'46"

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Zoology

Bees capable of adding and subtracting

Apis mellifera bees can learn to recognize quantities

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Zoology

Orangutan mother alerts infant of danger after spotting a “tiger”

Primate makes a noise that sounds like a kiss to warn its offspring

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Biology

The chemical language of insects

Within colonies, bees and ants recognize each other and organize themselves through compounds that cover their bodies

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ETHOLOGY

Primate culture

Transmission of tool-use practices among capuchin monkeys helps redefine the role of traditions in evolution

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CHRONOBIOLOGY

A clock that works in the dark

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

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BIOLOGY

The chemical language of insects

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

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Ethology

Primate culture

Traditions dictate the use of tools among the monkeys of Piauí

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biodiversity

Tiny spiders have different mechanisms for recognizing colors

Tiny spiders have different mechanisms for recognizing colors

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Chronobiology

Chronobiology: rhythms and cycles

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

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Ethology

How capuchin monkeys break open cashew nuts

Capuchin monkeys have special technique to break open cashew nuts

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NEUROSCIENCE

Constant song

Neural mechanisms explain the vocal stability of songbirds

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ORNITHOLOGY

The origin of the seedeaters

Studies capture the process of a South American bird group emerged

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Common marmoset

Monkey talk

Interaction with parents builds up infants communication skills

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Ethology

Wings of strife

Male damselflies evaluate own strength in confrontation

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Hylodes japi

The riverhead frog

New tree frog species found in Japi Mountain's creeks

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BAEPENDI, MG

Waking and sleeping like in the old days

Despite the eletricity, rural area prefer the natural sleep cycle

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Ethology

Stranger in the nest

Alien queen bee invades orphan colony and assumes command

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Ethology

Sweet learning

Honeybees are capable of associating colors and signals

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