Behavioral Biology

Behavioural biology examines the behaviour of humans and animals and investigates which behaviour is innate and which skills are learned in the course of life. An overview of our research.

Two parakeets

How social networks shape the vocal diversity of monk parakeets more

rainbow lights

Scientists use virtual reality for fish to teach robots how to swarm more

Orangutan with a stick

Wild and zoo-housed orangutans explore the world differently more

Detailed view of intertwined hands of two female bonobos against a blurred jungle backdrop.

Females team up to maintain power in their societies more

The secret love lives of mice

Male mice fall into two camps when it comes to love: some fiercely guard the females within their territory, while others roam in search of quick flings more

Bonobos react negatively to inequity

Bonobos refuse to participate when faced with unequal rewards, reinforcing the highly contentious debate about inequity aversion in animals more

Animal behavioral diversity at risk in the face of declining biodiversity

How understanding animal behavior, including tool use, can shed light on human behavior and culture more

Shy mice are more persistent problem-solvers

In a study, it wasn't the bravest mice, but rather the shy ones, that proved to be the most persistent tinkerers more

Drawing of a black-grey bird. In the background, three different brains are shown: a brain during the day when awake; a brain in the first six hours of the night (both brain halves are asleep, shown by the letters "Z"); a brain in the last six hours of the night (one brain half contains fewer and smaller "Z").

Sleep-deprived European jackdaws trade vigilance for deep sleep more

Numerous bats soar above a forested area, filling the overcast sky with scattered silhouettes.

When emerging at night by the thousands, bats avoid colliding by changing how they move and echolocate more

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Two parakeets

How social networks shape the vocal diversity of monk parakeets more

rainbow lights

Scientists use virtual reality for fish to teach robots how to swarm more

Orangutan with a stick

Wild and zoo-housed orangutans explore the world differently more

Detailed view of intertwined hands of two female bonobos against a blurred jungle backdrop.

Females team up to maintain power in their societies more

The secret love lives of mice

Male mice fall into two camps when it comes to love: some fiercely guard the females within their territory, while others roam in search of quick flings more

Bonobos react negatively to inequity

Bonobos refuse to participate when faced with unequal rewards, reinforcing the highly contentious debate about inequity aversion in animals more

Shy mice are more persistent problem-solvers

In a study, it wasn't the bravest mice, but rather the shy ones, that proved to be the most persistent tinkerers more

Drawing of a black-grey bird. In the background, three different brains are shown: a brain during the day when awake; a brain in the first six hours of the night (both brain halves are asleep, shown by the letters "Z"); a brain in the last six hours of the night (one brain half contains fewer and smaller "Z").

Sleep-deprived European jackdaws trade vigilance for deep sleep more

Numerous bats soar above a forested area, filling the overcast sky with scattered silhouettes.

When emerging at night by the thousands, bats avoid colliding by changing how they move and echolocate more

Large swarm of locusts covering a dirt path, with a person in colorful clothing walking in the background.

Classical models of collective behavior fail to explain the mechanisms driving desert locust swarms more

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Scientific highlights 2022

Scientific highlights 2022

December 14, 2022

Many publications by Max Planck scientists in 2022 were of great social relevance or met with a great media response. We have selected 12 articles to present you with an overview of some noteworthy research of the year more

"Fish are not stupid, they're just different!"

Fish are his passion. Alex Jordan wants to know why they do what they do. An interview with the behavioural biologist more

"In my opinion, 'social distancing’ is the wrong term"

The primatologist Roman Wittig explains in this interview, why he prefers to speak in terms of "spatial” rather than “social” distancing, and how virtual (online) meetings can replace real meetings to a certain extent. more

Even chimpanzees and six-year-old infants want to punish antisocial behaviour more

Migration pays off for songbirds

Blackbirds that spend the winter in the south are more likely to survive the cold season than their conspecifics in central Europe more

Chimpanzees fill another’s knowledge gap

Researchers show that vocalizing in chimpanzees is influenced by social cognitive processes more

Chimpanzees and sooty mangabeys interfere with other group members’ relationships

Bystanders monitor and intervene into grooming interactions of their group members if these threaten their own status or social relationships more

Food odour enhances male flies’ attractiveness

When female flies smell their favorite food, they become more receptive to courting males more

shrew

The tiny mammals reduce the size of their organs in the winter and can even decrease and rebuild bones more

Icarus lifts off

The Icarus on-board computer, the first component of the global animal observatory system, has gone into space more

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Grey parrots help others to obtain food

Scientists from the Max Planck Institute for Ornithology based at the research station outpost for parrot comparative cognition in the Loro Parque in Tenerife, Spain, have shown that parrots exhibit a high level of social intelligence and cooperativeness. They readily help others, even when there is no immediate opportunity for reciprocation. Moreover, they reciprocate received favours and do not appear jealous, if conspecifics obtain a better reward than themselves. more

Dogs' clever minds

Dogs and humans have been living together for 15,000 years – a long time to get used to each other.  Behavioural biologists at the Max Planck Institute for Evolutionary Anthropology in Leipzig are investigating how well the animals have adapted to humans. They discovered that dogs are frequently better at understanding human gestures than other animal species. For example, dogs understand referential gestures, such as pointing, and realise they can get away with doing something forbidden when their owners just happen to be looking elsewhere. more

Bonobos - chimpanzees' gentle cousins

Bonobos - chimpanzees' gentle cousins more

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