Hello, my blood parrot has suddenly started acting more aggressive lately. He has been in a new 30 gallon tank for about 3 weeks. He dug a little nest type area behind a mountain and today I came home and saw he had dug an entire area in front of the mountain all the way to the bottom of the tank! The past couple times I have done water changes he has pecked and nibbled at my hand which just tickles but it is unusual behavior. I tried moving the mountain because it was crooked and he wouldn't let me he just kept trying to get my hand out of the way. I thought maybe it was a female and was going to lay eggs but I'm not sure because this has been going on for a week or so. Any ideas? Thanks!