Critter Experts

Learn all about small pet and exotics behavior from our critter experts.

Disclaimer: If you have a sick pet, seek veterinary assistance immediately. Please do not rely on answers to medical questions from this website to diagnose your pet.

rabbit photoKaren Rosenthal, DVM, MS
Dr. Karen Rosenthal is associate dean of academic affairs at the School of Veterinary Medicine at St. Matthew’s University. She is a previous associate professor of Special Species Medicine at the University of Pennsylvania in Philadelphia.

See Karen Rosenthal’s Articles

Caroline CharlandCaroline Charland
Caroline Charland is president and founder of Bunny Bunch S.P.C.R.Society for the proper care of rabbits.

Ask Caroline Charland a non-medical question about your rabbits now!

See Rabbit Q&A Articles

Donna AnastasiDonna Anastasi
Donna Anastasi is the author of Gerbils [BowTie Press, 2005] and president of the American Gerbil Society. She raises and shows gerbils and is a certified AGS judge. Donna also shares her experiences in showing gerbils through her Critters Blog Gerbil Show Countdown.

See Gerbil Q&A Articles

Martha BodenMartha Boden
Martha Boden created a home-based rescue service for hamsters called “The Hambulance.” Over the past seven years, Boden has addressed the needs of nearly 800 hamsters. She has worked in animal shelters as an operations consultant and as CEO.

Ask Martha Boden a non-medical question about your hamsters now!

See Hamster Q&A Articles

Marty HullMarty Hull
Marty Hull was born in California and practiced dentistry until 1991. Since then, he’s been a full-time inventor and has received nine U.S. patents for his inventions. He started breeding chinchillas in late 1980s, and developed the following products for chinchillas: the Flying Saucer Exercise Wheel and Pro-C probiotic chinchilla supplement. Hull has extensively researched chinchilla genetics, malocclusion and other health issues. He and his staff breed high-quality show and pet-grade chinchillas. They frequently mentor other breeders and continue to do rescue and rehabilitation work with chinchillas.

Ask Marty Hull a non-medical question about your chinchillas now!

See Chinchilla Q&A Articles

L. Vanessa GrudenL. Vanessa Gruden
L. Vanessa Gruden is executive director of the Ferret Association of Connecticut. She has owned ferrets since about 1985 and operated the FACT shelter since 1991, personally caring for more than 1,600 ferrets during that time.
“I don’t know everything,” Gruden cheerfully admits.  “Some behavior is simply ‘a ferret thing’ and remains a mystery. But I’m happy to share what knowledge I have and would love to hear from readers if they have an answer to any question that stymies me!”

Ask L. Vanessa Gruden a non-medical question about your ferrets now!

See Ferret Q&A Articles

Shannon CauthenShannon Cauthen
Shannon Cauthen has been a guinea pig hobbyist/rescuer for more than 15 years. In 1998, she founded Cavy Care Inc., a guinea pig shelter in Colorado. Visit the shelter at

Ask Shannon Cauthen a non-medical question about your guinea pigs now!

See Guinea Pig Q&A Articles

montage of hedgehog, mouse, rat, sugar gliderHedgehogs, Mice, Rats, Sugar Gliders
See answers to previously asked questions about these other small animal pets.

Hedgehog questions, click here>>
Mouse questions, click here>>
Rat questions, click here>>
Sugar Glider questions, click here>>