Archive for Mammals

Worldwide populations of mammals, birds, fish, amphibians & reptiles have plunged by almost 60 percent since 1970

Posted in 2016, animals with tags , , , , on November 3, 2016 by MARIE EMMANUELLE QUILICHINI

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OSLO (Reuters) – Worldwide populations of mammals, birds, fish, amphibians and reptiles have plunged by almost 60 percent since 1970 as human activities overwhelm the environment, the WWF conservation group said on Thursday.

An index compiled with data from the Zoological Society of London (ZSL) to measure the abundance of biodiversity was down 58 percent from 1970 to 2012 and would fall 67 percent by 2020 on current trends, the WWF said in a report.

The decline is yet another sign that people have become the driving force for change on Earth, ushering in the epoch of the Anthropocene, a term derived from “anthropos”, the Greek for “human” and “-cene” denoting a geological period.

To be continued on

https://ca.news.yahoo.com/wildlife-populations-plunge-almost-60-percent-since-1970-000904325.html

We are now in the 6th massive extinction

https://theboldcorsicanflame.wordpress.com/2014/05/30/we-are-on-the-brink-of-a-sixth-great-extinction-as-plants-and-animals-die-out-1000-times-faster-than-before-humans-arrived/

4 tragic whales found washed up are believed to be part of the same all-male group as 12 more found dead around Holland and Germany

Posted in 2016, animals with tags , , , on January 24, 2016 by MARIE EMMANUELLE QUILICHINI

 

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Whales at Skegness (www.knsnews.co.uk)

 

British experts say the three males found in Lincolnshire and one in Norfolk are part of a bachelor pod that ventured into the North Sea from deeper water and were unable to feed in shallower depths.

Twelve more sperm whales, also all male, were found washed n or off the coast of the Dutch island of Texel and the German islands of Wangerooge and Helgoland last week.

http://www.dailymail.co.uk/news/article-3414438/Tragic-pictures-three-dead-sperm-whales-washed-UK-beach-hours-caught-low-tide-died.html

 

PETS Wolves and Dogs Speak With Their Eyes

Posted in 2014, animals with tags , , , on June 24, 2014 by MARIE EMMANUELLE QUILICHINI

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A wolf rests in the snow at Yellowstone National Park. Credit: Doug Smith, National Park Service

Wolves and dogs can communicate using their eyes alone, suggests a new study in the journal PLoS ONE.

The color of the face around the eye, the eye’s shape and the color and shape of both the iris and the pupil are all part of the elaborate eye-based communication system, according to the research, which could apply to humans as well.

Sayoko Ueda of the Tokyo Institute of Technology and Kyoto University led the study, which compared these characteristics of the face and eyes among 25 different types of canines.

The researchers identified three basic patterns:

A-type: Both pupil position in the eye outline and eye position in the face are clear.

B-type: Only the eye position is clear.

C-type: Both the pupil and eye position are unclear.

“A-type faces tended to be observed in species living in family groups all year-round, whereas B-type faces tended to be seen in solo/pair-living species,” Ueda and colleagues wrote.

Wolves and dogs exemplify the A-type. Humans fit into this category too! Such individuals invite you to look into their eyes. The researchers even suspect that the white of the eye (sclera) evolved, in part, to set off the darker hues of the iris and pupil.

Animals like foxes exemplify the B-type. For them, some information is likely conveyed by the eyes to others, but not much.

Then there is the elusive C-type, exemplified by animals like bush dogs. Their all-dark eyes blend in with their furry faces. The researchers point out that “various predators camouflage their eyes to increase their hunting success.” Consider that if you don’t know what an individual is looking at, you can’t predict his or her behavior.

Following the eyes can reveal interests and where an individual might go next. Both wolves and dogs are adept at following human gazes.

“The fact that the studied (canine) species with A-type faces tended to engage in group living suggests that they use the gaze signal in communication among group members, as the need for communication is larger for group-living species than for solo/pair-living species,” the researcher wrote.

Are Some Dog Breeds More Aggressive?
They added, “Group-hunting species had significantly lighter iris color (an important factor of gaze-signaling eyes) than those of solo hunting species. These results suggest that the gaze signal is used for communication during group hunting in many of these species.”

Since we’re social mammals too, perhaps we are revealing more about ourselves and our mental states with our eyes than we fully realize.

http://news.discovery.com/animals/pets/wolves-and-dogs-speak-with-their-eyes-140624.htm

Animal Migration

Posted in 2013 with tags , , , , , , , , , on November 18, 2013 by MARIE EMMANUELLE QUILICHINI

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Animal migration is the relatively long-distance movement of individuals, usually on a seasonal basis. It is found in all major animal groups, including birdsmammalsfishreptilesamphibiansinsects, and crustaceans.[1]

http://en.wikipedia.org/wiki/Animal_migration

Amazing Dolphins see themselves in mirror and Book trailer for The Dolphin in the Mirror …

Posted in animals with tags , , , on September 22, 2011 by MARIE EMMANUELLE QUILICHINI

Has the Earth’s sixth mass extinction already arrived?

Posted in animals with tags , , , , on March 3, 2011 by MARIE EMMANUELLE QUILICHINI

The Mere Existence of Whales By Carl Zimmer

Posted in animals with tags , , , , , on March 1, 2011 by MARIE EMMANUELLE QUILICHINI

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