Etiqueta: animal behavior

Knowledge

The adventures of nest-making solitary bees

2 de June 2017Verónica Couto Antelo

Cut leaves, collect mud, make a cellophane-type material – bees make sophisticated nests in thousands of different ways, improving their competitiveness as well as protecting them from enemies, including other bees. CREAF researcher Carlos Hernández-Castellano introduces us to this remarkable world. 

News

Birds that live in changing environments have larger brains

16 de January 2017Albert Naya i Díaz

A large brain increases the capacity to adjust behavior to new circumstances through learning, improving resource-gathering in a changing environment. Greater understanding of this capacity can improve predictions of what species of birds and other animals will be most vulnerable to global change.

News

Dani Sol edits a new book about animal behaviour and biological invasions

28 de October 2016Albert Naya i Díaz

This book, titled "Biological Invasions and Animal Behaviour", is the first ever published monograph about the role of behaviour in biological invasions.

News

Female marmots “cheat on” their male partners

30 de May 2016Albert Naya i Díaz

For marmots, infidelity is a way for dominant females to promote genetic diversity and increase the chances of survival of their young. When the dominant partner is genetically very similar, the female opts to reproduce with other males. This behavior could help create a more diverse genetic line and genetics that are better able to respond to parasites.

News

Birds provide us with the clues to understanding human creativity

10 de May 2016Anna Ramon Revilla

An analysis of 1018 bird species led by CREAF and CSIC scientists suggests that innovation is not just an adaptation on it own, but emerges with the combination of certain adaptations which developed for dealing with changes in the environment, including having a large brain and being curious. Primates, cetaceans, parrots, and crows innovate because they have long lifespans and are adapted to living in changing environments.

News

Daring to live on the edge

21 de July 2014CREAF

Around the world, invasive animal species are pushing out the natives, sometimes forever altering ecosystems. House sparrows are a prime example, having spread from Europe to most inhabited parts of the world.  Daniel Sol has collaborated in an dissemination article  for the Science journal that have gleaned key traits underlying its incredible success.

News

More intelligent birds will be stressed less

17 de September 2013Anna Ramon Revilla

A new international study relates brain size to the amount of stress hormone in birds. A larger brain increases cognitive ability, which allows them to face new challenges and, ultimately, a more relaxed lifestyle compared to those with a small brain.

News

Animals have adapted to city life by adjusting their behavior

25 de July 2013Anna Ramon Revilla

According to experts at the CREAF, this capability assures success in the city and the possibility to become "urbanite" animals. A comprehensive review of published studies concludes that in urban environments, species often change their eating habits, lose their fear of humans and modify their way of communicating.

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