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wyszukanych pozycji: 2
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At Home with the Prairie Dog: The Story of a Keystone Species
ISBN: 9781970039061 / Angielski / Twarda / 2023 / 32 str. Termin realizacji zamówienia: ok. 13-18 dni roboczych. Prairie dogs are dubbed a keystone species for good reason because the burrows they dig are used by dozens of other animals, from insects and spiders to rattlesnakes, salamanders, owls and more. The highly endangered black-footed ferret depends almost completely on prairie dogs for food, and may also live in their abandoned burrows. In addition, prairie dog activity makes the grass areas around their burrows especially nourishing for grazing animals like bison and pronghorn. With up to 150 species associated with prairie dogs, this keystone species plays a pivotal role in keeping the...
Prairie dogs are dubbed a keystone species for good reason because the burrows they dig are used by dozens of other animals, from insects and spiders ...
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cena:
77,65 zł |
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Call of the Osprey
ISBN: 9780544232686 / Angielski / Twarda / 2015 / 80 str. Termin realizacji zamówienia: ok. 30 dni roboczych. This meticulously researched and photographed account follows three University of Montana scientists and their interdisciplinary work with osprey: fish-catching birds with gigantic nests and a family that functions with teamwork and cooperation. Today the osprey is studied to monitor the effects of mercury on living things. The osprey hunts in a very small area around its large nest and so scientists can pinpoint where mercury is coming from. In Missoula, Montana, the scientists have been following ospreys for six years, collecting data on the amount of contaminants found on their feathers... This meticulously researched and photographed account follows three University of Montana scientists and their interdisciplinary work with osprey: ... |
cena:
82,15 zł |
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