By Sara Amundson and Kitty Block

Sharks have been around for 450 million years, outliving the dinosaurs and surviving mass extinctions. But now, out of the 500 or so species (that we know of), a third of all sharks and shark-like species are threatened with extinction due to human activity. Some of these species include the unique scalloped hammerhead shark, the common thresher shark, which uses a long tail to stun prey and the bespeckled whale shark, the world’s largest living fish.

By Sara Amundson and Kitty Block

It is a long way from the stable, paddock and winner’s circle at Churchill Downs to the dark, dank and bloody slaughterhouses in which tens of thousands of American horses meet their sad and pitiable end each year.

Yet some former racehorses do make that terrible journey, and it’s hard not to think of them on the eve of the Kentucky Derby, the most celebrated of races.

By Sara Amundson and Kitty Block

We learned last week about the outrageous killing of two iconic and rare “big tusker” male savanna elephants in an unpopulated corner of northern Botswana. “Big tusker” refers to an elephant with at least one tusk weighing 100 pounds but it effectively signifies an elephant who has survived for more than 50 years and whose knowledge and experience is irreplaceable to his herd.