Zoology
Zoology
The crows and the empty set
With training, carrion crow were able to understand the empty set as a null numerical quantity close to one
By Redação
Zoology
A giant water and food vacuum
African elephants are able to fill their nostrils with 3.7 liters of water in just 1.5 seconds
By Redação
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
By Redação
Zoology
Toads in the mist
In well-preserved remnants of the Atlantic Forest, a team of zoologists identified a peculiar new species of toad
By Redação
Zoology
A very informative gesture
Mountain gorillas may be communicating with other members of their troop when they rise up on their hind legs and beat their chests with their hands to produce a loud, hollow sound
By Redação
Zoology
Gimli and Nigel, two dwarf giraffes
Gimli and Nigel are the first recorded examples of dwarfism in wild giraffes
By Redação
Biochemistry
Anti-predator chemical shield
Seemingly harmless at first glance, the African maned rat (Lophiomys imhausi) carries a lethal weapon in its coat
By Redação
COVID-19
Bird sings at lower volume in quiet city
During the pandemic, the white-crowned sparrow's singing returned to the volume it sang at in the 1970s
By Redação
Ecology
Under the female gaze
Males with brightly colored wings attract more females to their territory, as well as more rival males, sparking a fierce competition for mating partners
By Redação
Zoology
Leprosy in wild chimpanzees
Photos taken in 2017 are the first record of wild chimpanzees with lesions indicative of leprosy on their faces and other parts of their bodies
By Redação
BIOTA - 20 YEARS
A poisonous weave
A spider web commonly found in the Americas is composed of toxins that paralyze and help kill prey
Zoology
A smell and heat detector
A dog’s nose is also capable of measuring nearby heat, according to a new study
By Redação
Paleontology
The extinct manatee of Rondônia
Newly discovered species lived in the Madeira River region 45,000 years ago
Zoology
What’s for dinner?
The cuttlefish eats less at lunch when its favorite dish is served for dinner
By Redação
Biodiversity
Colorful but discreet
If you look very closely through a patch of bromeliads, searching leaf by leaf, you may be lucky enough to find a brightly colored leafhopper
By Redação
Zoology
Millennia of migration
Some birds travel almost unbelievable distances, sometimes across continents, in pursuit of warmer climates and food to survive and reproduce
By Redação
Zoology
Cooperation between parrots
Biologists have discovered possible evidence of cooperative behavior among birds that has previously only been observed in mammals
By Redação
Photolab
A house in the trees
In the Amazon, bats of the Mesophylla genus sometimes sleep under large tree leaves
By Redação
Video
Matamata, a bizarre turtle from Amazonia
The description of a new species may help fighting against illegal trafficking of these rainforest animals | 4'03
By Redação
Video
How do rivers and floodplains influence species formation in Amazonia?
Throughout millenia, water bodies and landscape changes favor plant and animal diversification in the region
By Redação
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
By Redação
Biology
Pirarucu scales form a special armor
The composition and structure of pirarucu scales make them highly resistant to punctures and tension
By Redação
