My senegal just recently got a hold of and ate some of my betta fish's food. Is this bad for him? Because I have noticed a slight change in the color of his droppings (sorry to be so graphic). Any advice would be much appreciated. I loved my sennie very much and don't want anything to happen to him.
He should be fine. A natural fish food (no additives, colour etc) is a better choice for the bird but even if the food had some artificial things in it, if it was a small amount it won't hurt your bird.
Sometimes my parrots find my cat bickies, they're 100% natural & ok for them to have them on occasion as long as they're not touched by my cat.