Etiqueta: birds

News

Climate change affects birds in Europe and North-America differently than in the Mediterranean, and could expose them to a climate trap

17 de February 2021Anna Ramon Revilla

The behavior of bird communities in Europe and in the United States and Canada due to climate change is different than in the Mediterranean area. It changes faster in winter, when they migrate, than in spring, when they nest.

News

The climate is changing faster than animals can adapt

24 de July 2019Anna Ramon Revilla

A study just published in the scientific journal Nature Communications presents worrying results on animals’ adaptation to climate change. It concludes that while species are changing some aspects of their lives in response to global warming, they are not doing so quickly enough and do not always make the right changes.

News

Mountain birds in decline in Europe

28 de January 2019Anna Ramon Revilla

CREAF and ICO (Catalan Ornithological Institute) researchers Sergi Herrando and Lluís Brotons have participated in a study that shows populations of birds described as “mountain specialists” to have fallen by 10% in a decade in Europe. The situation is even more alarming in the Pyrenees and elsewhere in the Iberian Peninsula, where mountain bird populations fell by 21%.

News

The forests that store the most carbon are also the richest in biodiversity

3 de October 2018Anna Ramon Revilla

A study led by CREAF researcher Judit Lecina Díaz has mapped Spain's carbon and biodiversity hotspots, which are located in the Pyrenees and their foothills, Madrid, Cuenca, La Rioja and Andalusia, and along the coast of the Cantabrian Sea.

News

Living on an island: a smart choice

31 de July 2018Albert Naya i Díaz

Species of birds living on islands have evolved to have larger brains than their continental relatives. Island conditions have prompted this post-colonization evolution, which enhances adaptability to environmental changes.

Knowledge

A feather for the hat, ma’am?

26 de February 2018Jaume Terradas

Birds for their feathers, but many other animals too, suffer the path to extinction because of human whims.

Knowledge

The CREAF Talk video about animal innovation by Louis Lefebvre

21 de February 2018CREAF

The researcher from McGill University, in Quebec, and CREAF associated, visited us again to talk about animal innovation from different points of view, from the ecological implications to the physiological characteristics that allow it.

News

Cities threaten millions of years of bird evolution

31 de May 2017Anna Ramon Revilla

A study led by Daniel Sol, CISC researcher based at CREAF, shows that cities preserve 450 million years less evolutionary history compared to natural environments. Birds capable of surviving in highly urbanized environments have undergone recent evolution. The arrival of exotic species does not compensate for poor urban evolutionary diversity.

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

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

Birds and butterflies are key indicators for the measurement of biodiversity loss

11 de November 2015Anna Ramon Revilla

According to a study in which CREAF participated, the populations of birds or butterflies living in open habitats have been negatively affected by the loss of field and scrubland habitat. Conversely, species which live in forests have been favored. These variations were related with changes in the Catalonian (and Mediterranean) landscape over the last few decades. 

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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