1.   Tough going for the burros on the canyon trail, even without the added impediment of heavy loads.

2.   At the Grand Canyon, for example, hiking on interior canyon trails, river running on the Colorado River and mule rides into the Canyon still are prohibited.

3.   Shortly you will spy the canyon floor trail mentioned earlier, another yellow gate, lizards, content warblers, coyote scat and endless scrub brush.

4.   Sightings of rabbits, swans, squirrels and mallard ducks are common along the canyon trails in Calabasas.