San Diego Zoo Wildlife Alliance

Rat reps at three U.S. zoos are showing visitors how the rodents can be trained to combat wildlife trafficking, detect diseases and perform other useful tasks.
The puppet, named Percy, has a circumference of nearly 40 feet (12 meters), and has 2,000 foam quills that it took a house-worth of paint to put stripes on.
Genetic testing has confirmed that two male chicks hatched in 2001 and 2009 from unfertilized eggs were related to their mothers. Neither was related to a male.