Ubulongwe bezinyoni, izimpaphe, ukuphapha kanye nokubhakuzisa - amajuba, amagwababa nezinye izinyoni kungaba inkathazo enkulu uma benqume ukusebenzisa ama-canopies, ama-balcony railings, ama-carport noma amafasitela njengendawo yabo evamile. Bangakwazi futhi ukuthwala ama-parasites kanye namagciwane.