Early humans made jewellery from giant sloth bones
11 July 2023
The bones were shaped by people using stone tools before they were fossilised, adding new evidence for humans’ arrival in the Americas before the end of the last glacial period
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Premium
Birds are using anti-bird spikes to make their nests
11 July 2023
Magpies and crows have been seen making nests using spikes placed on buildings to deter birds from nesting
Sex between two males is extremely common in wild macaque monkeys
10 July 2023
Almost three-quarters of male macaques observed by scientists mounted other males, and the behaviour may help to strengthen alliances
Male spider mites rip off females’ skin to be first to mate with them
7 July 2023
Due to fierce competition for mates, male spider mites guard juvenile females and forcibly remove their skin as they near adulthood so they can secure the first mating
Giving jaguars 'food poisoning' may stop them from killing livestock
7 July 2023
Jaguar attacks on pets and farm animals are a common problem, but after developing a drug-induced stomach ache, the big cats seem to learn not to kill certain animals
Crows can understand probability like primates do
5 July 2023
When given the chance to peck on symbols that carried different probabilities of getting food, carrion crows learned to choose the one with a higher probability of reward
Threatened seabirds are foraging at plastic pollution hotspots
4 July 2023
Location trackers show migratory seabirds spend much of their time looking for food near ocean garbage patches, highlighting the need for action on pollution
How do captive animals really feel, and can we make them happier?
4 July 2023
We are finally figuring out the subtle ways that farm and zoo animals reveal their emotional states, from anxiety to optimism and even joy. The insights are also revealing some surprising ways we can improve their lives
The Atlantic cod may be five separate species rather than one
3 July 2023
A genetic analysis of thousands of Atlantic cod has revealed they all belong to one of five distinctive groups, suggesting they aren't interbreeding and belong to different species
Female frogs may croak to deter males from mating with them
30 June 2023
Some female black-spotted frogs croak when a male approaches, and it’s not a come-on – the signal seems to persuade males not to attempt coercive mating
