Tag Archives: America

Big animals’ extinction forever alters environment, study shows

… permanently change the dynamics. You can’t go back.” The study, which was released Monday and is to be published in the journal Proceedings of the National Academy of Sciences, looked at extinctions in North and South America since humans arrived about 15,000 years ago. To continue reading this article, please click on the link below: Source: Big animals’ extinction forever alters environment, study shows – SFGate …

What the animal world would look like if humans never existed

… different if humans had not influenced the distribution of any species within the last 130,000 years and I started estimating this by generating attempts of so–called present-natural distributions of all mammalian species, meaning where they potentially could have been today.” According to the study, rhinos and elephants would thrive alongside bears and Eurasian elk in Europe, while American lions and camels (among other things) would be prowling around North America. To continue reading …

A New Study Reports 99 Percent of Sea Bird Species Could Be Eating Plastic by 2050 – CityLab

… out into the ocean from urban rivers, sewers, and waste deposits. Birds mistake the brightly colored items for food or swallow them by accident, causing gut impaction, weight loss, and sometimes death. According to the study, plastics will have the greatest impact on wildlife that gather in the Southern Ocean in a band around the southern edges of Australia, South Africa and South America. These areas are home to widely diverse species. While the infamous garbage patches in the middle of the …

Megalodon shark tooth discovered in Croatia

… today’s great white sharks. They likely feasted on cetaceans and large whales. Fossilised remains have been found across the world, with specimens excavated from many parts of Europe, Africa, north and South America and Asia. There are several theories as to why megalodons went extinct. Ocean cooling may have affected the species, which preferred to live in warmer waters. A declining food supply is also suggested to be a main culprit in their demise. To continue reading this article, …

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