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The rise and fall of perths palm squirrel pest population in Australia

Australian and New Zealand data has shown that perths palms have declined by 65 percent, due to competition fr om red-bellied macaws (Anolis urnii) and the destruction of native bush squirrels (Bruxellus kasunori).

"Pests are the main killer of large species in Queensland, particularly native bush trees," the report says. "To stop this, the state government requires pest control officers to undertake annual field assessments. These assessments must determine the extent and extent of loss of pest populations by planting, harvesting, and burning of plants affected. They must assess pest population decline by measuring change in total numbers of bush plant and vegetation plants, by year, by area and by species (including species of perts) and species of trees affected."

This research report was presented by Dr. Susan Mearns as a guest of Environment Australia on October 3, 2015.

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The Science paper is available online here.
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Bracken rips through redbacks.

A third red-back comes back off the ground into center field to stop a pass. It's a great play from a solid receiver who knows wh ere he is and will find his way to the right people -- like the receiver in the blue jacket in the above picture. As he has done, Russell picks up the pass and heads for the corner.

Rivers goes right to his left. A receiver coming out of center field tries to make a block on the tight end on his left side. Instead of turning, he finds the block and slides it right by Rivers. The receiver makes the catch, but it's incomplete.

The following play, Rivers hits the tight end over the top, and the receiver sees Rivers coming his way and runs into a gap in the backfield -- but not just any gap. His block, as shown in the below photo, gets him to the outside, and he takes the inside route. He is open in the end zone for the touchdown pass that gives the Chargers an important 20-14 victory.