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  • Damocracy – Todd Southgate (2013)

    Damocracy – Todd Southgate (2013)

    Damocracy is produced by Doğa Derneği, in collaboration with other founding members of the Damocracy movement: Amazon Watch, International Rivers, RiverWatch, Gota D’água (Drop of Water) Movement, Instituto Socioambiental (ISA) and Movimento Xingu Vivo para Sempre (MXVPS). Director is a Canadian environmental documentarist Todd Southgate. Current state of the Xingu River after construction of the Belo Monte Dam. Although one of the main focus of the documentary is the famous historical human settlement Hasankeyf threatened to be destroyed by dam […]

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  • Herbivory on Pecan Catkins by an Eastern Gray Squirrel

    Herbivory on Pecan Catkins by an Eastern Gray Squirrel

    The eastern gray squirrel (Sciurus carolinensis) is a successful mammalian species native to eastern north America but has been introduced to England and certain parts of the Europe. Early spring is the hardest time for these squirrels. It is especially burdensome for females who give birth to a litter between February and March. The young are weaned for about seven weeks. The videos were recorded on 8 April 2012 in Athens, GA which probably corresponded towards the most demanding last […]

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  • An Illustrated Introduction to Speciation – Cornell Lab of Ornithology (2013)

    An Illustrated Introduction to Speciation – Cornell Lab of Ornithology (2013)

    Cornell Bird Lab produced a series of quite friendly short video programs to provide a scientific explanation for how new species have evolved (and are evolving). Indeed, how did 39 different bird of paradise species grouped in 15 genera evolved from one humble crow-like ancestor over 20 million years? At the heart of the story lies the biological species definition which is one of the many definitions biologists have derived for the species concept. Long-distance movement is a prerequisite for […]

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