I had given little 8 small peices water melon to a approx 1 month had 15 days parrot. Water melon was crushed and without seeds. I gave him at 5.00 pm and after three hours at 9.00 pm I tried to gave him food again but he was sluggish and sleepy and didn't opened his month to eat then I didn't gave anything to him and let him sleep, but the next morning I found him dead ,does water melon killed him or anything esle ,please. Tell me?