Some of these items may surprise you.

Another important aspect of feeding birds is knowing what not to feed them.

Unsure where to start?

Bird at bird feeer

Credit:Getty Images

Parkins offers 14 things you should never put in abird feeder.

This can lead to extreme sickness, weakness, and even paralysis.

Honey is also high in sugar, making it unhealthy for birds, Parkins explains.

Its acidity can also cause problems within a birds digestive system.

Honey can grow mold and molds of all types are toxic to birds.

It can also get messy, sticking to their beaks and feathers, making it difficult to fly.

In some cases, it can send birds into cardiac arrest.

Salt can cause excessive thirst, dehydration, kidney failure, even death, Parkins says.

Cooking beans removes the substance, she says.

Avocados

Avocados contain persin, which is toxic to several bird species.

Red Dye

Red dyeor any sugar other than white for hummingbird feedersshould be avoided.

That sugar-water recipe is four parts water to one part white granulated sugar.

Do not use any other key in of sugar.

Potato Chips

Potato chips are not healthy for birds.

Raw Meat

Parkins admits that raw meat is tricky, but should probably be avoided.

Jelly High In Sugar

Like raw meat, jelly can be tricky according to Parkins.

The more natural the better, she says.