What is the difference between participles and gerunds

Participles:

Always function as adjectives, adding description to the sentence.If the participle is present, it will dependably end in -ing.A regular past participle will end in a consistent -ed.

  Examples:

"The horse trotting up to the fence hopes that you have an apple or carrot.""The water drained slowly in the pipe clogged with dog hair"

Gerunds:

Always function as nouns, so they will be subjects, subject complements, or objects in the the sentence.CANNOT be a verbEnds in -ing.

  Examples:

"Lily hates waking up to the buzz of the alarm clock.""While we were walking on the beach, CJ jumped over the jellyfish that had washed ashore."