Monthly Archives: October 2014

Eurobirdwatch 2014 sees 2.5 million migrating birds

Dear Kitty. Some blog

This video is about bird migration.

From BirdLife:

Eurobirdwatch 2014 sees 2.5 million migrants in the air

By Elodie Cantaloube, Mon, 20/10/2014 – 08:18

On the weekend 4–5 October, over 23,000 people took part in the most exciting nature event of the autumn: the annual Eurobirdwatch. From Portugal to Kazakhstan, from Malta to Norway, BirdLife Partners invited people of all ages to discover and observe the fascinating migration of birds. The result of these two days of fun, exchange and learning was the observation of over 2.5 million birds as they migrated to southern countries in search of suitable wintering grounds.

In autumn, some species of birds, the so-called migratory birds, leave the north, where they breed in spring and summer and head to their wintering grounds in the south. The migration of several thousands of birds of different species is a unique spectacle; the BirdLife…

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An epic story: Very Important Trees.

Woodland Matters

Nearly 1,000 years ago, the epic story of the build up to and successful invasion of Britain by William the Conqueror was captured on a length of embroidered cloth. There is much that we don’t know about this iconic piece of work, including who commissioned it. But looking closer, the Bayeux tapestry tells us much about trees.

I was recently invited to the heart of Normandy to give a presentation to the University of Paris, Summer School in Collonges about the iconography of the trees on the Bayeux tapestry.

According to Sylvette Lemagnen, one of the conservators of the tapestry,

“The Bayeux tapestry is one of the supreme achievements of the Norman Romanesque … Its survival almost intact over nine centuries is little short of miraculous … Its exceptional length, the harmony and freshness of its colours, its exquisite workmanship, and the genius of its guiding spirit combine to make it endlessly fascinating.”

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Global wildlife halved in 40 years, reveals WWF

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Pic: WWF

Global wildlife populations have halved in just 40 years, according to new research by scientists at the World Wildlife Fund (WWF) and the Zoological Society of London (ZSL).

Creatures across land, rivers and the seas are being decimated as humans kill them for food in unsustainable numbers, while polluting or destroying their habitats, the WWF’s Living Planet Report 2014 found.

The key findings are:

  • Populations of mammals, birds, reptiles, amphibians and fish have declined by an average of 52% since the 1970s.
  • Freshwater species populations have suffered a 76% decline, an average loss almost double that of land and marine species.
  • The worst declines have been observed in the Tropics.

The report draws upon the Living Planet Index, a database maintained by the Zoological Society of London, which monitors trends in over 10,000 populations of 3038 species since the 1970s. It also looks at how human consumption levels have increased in the same time period. It shows that the biggest recorded threat to biodiversity comes from the combined impacts of habitat loss and degradation, driven by unsustainable human consumption.

“If half the animals died in London zoo next week it would be front page news,” said Professor Ken Norris, ZSL’s director of science. “But that is happening in the great outdoors. This damage is not inevitable but a consequence of the way we choose to live.” He said nature, which provides food and clean water and air, was essential for human wellbeing.

“We have lost one half of the animal population and knowing this is driven by human consumption, this is clearly a call to arms and we must act now,” said Mike Barratt, director of science and policy at WWF. He said more of the Earth must be protected from development and deforestation, while food and energy had to be produced sustainably.