Apple and Pear pips
Otherwise known as apple and pear seeds.
For Your Pet
Do not feed your rabbit pips.
Do not feed your rabbit, guinea pigs, or chinchillas apple or pear pips. These seeds contain cyanide which can cause your rabbit to experience complications such as diarrhea, vomiting, respiratory congestion, and in rare cases, death.
If you believe that your pet has been poisoned, immediately call your vet or one of the animal poison control hotlines on this list.