could the parrots harmed my vine.

[rita1]

ok this time there is something wrong, i only have 3 small budding grapes that is starting to grow, i normally have loads every year, but not this year. i have put nematode down and watered them in, will this get rid of weevils as there was loads last year. also the other thing i did different is in the winter months i let my parrots go in the green house for a couple of hours each day to have a play. they have pecked at the vine, is this causing the vine harm. the vine is dormant when the parrots go out in the greenhouse.