Most cats have trouble digesting dairy products. The teeth of rodents grow continuously throughout their lives. This is why they like to chew so much. Back to Top Rats can squeeze through any opening as long as their head fits through. Rats have an amazing ability to squeeze through very small openings.
All rodents are nocturnal.
Of the rodents listed only hamsters are truly nocturnal. Back to Top Lettuce is a good food to feed rabbits. Lettuce has little nutritional value and contains mostly water. If fed too much rabbits can get diarrhea which could prove fatal if untreated. Back to Top Pet birds will thrive on a diet of seeds as long as they are fresh.