Russell likes to eat strawberries... is that OK?
Yes. Russell is allowed to graze the fruit bowl, and my salad bowl too, since I don't eat avocados.
Here's a less-than-complete, but still useful list of foods that you should not allow your pets to eat, and also the reasons why.
Here's a less-than-complete, but still useful list of foods that you should not allow your pets to eat, and also the reasons why.