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Each weekday morning, OurAmazingPlanet takes the pulse of the Earth, reporting on natural phenomena and exploration news from around the globe.

Rhino Poaching: Africa is facing it's worst rhino poaching crisis in decades. More than 800 rhinos have been killed over the past three years.

Ted's Bison: Ted Turner donated three bison bulls to the effort to save the last bison herd in Texas. The donation seems to be paying off, researchers said. [Related: Bringing Back Bison: Groups Unite for an American Icon ]

Previously on Our Daily Planet: Thunder Hail and Oklahoma Wildfires

Reach OurAmazingPlanet staff writer Brett Israel at bisrael@techmedianetwork.com. Follow him on Twitter @btisrael.