Jaguars

This has led to over-hunting and persecution by cattle ranchers becoming even bigger threats to the survival of the big cat.

• By Mike Gaworecki

A little news, a little trivia, a lot of fun.

• By Francie Diep

Jaguars are crossing the border into the United States, causing a stir among scientists, mining interests, and those bent on building a wall.

• By Alan Weisman