Welcome to the avenue!
one is green and one is yellow
That's so funny - your yellow one looks just like my lovebird, named Mango, and your green one looks just like my lovebird, named Kiwi!
Also yellow shreds paper and moves into nest box like green.
That is perfectly normal - all of my Fischeri lovebirds adore to shred things and carry them around, regardless of whether they want to mate or not.
They are sleeping together in nest box.
Also perfectly normal, and really cute!
Just like Zara said, you can't tell the gender of your birds unless you get a DNA test or one lays an egg.
Sometimes I hear some fight noises while both in nestbox but I did not see any harm they caused to each other. What happens if I seperate them to miss each other? Do they harm themselves when they seperated?
When I most recently had breeding lovebirds, they would occasionally bicker in their nesting box. It was just little squabbles, and they never harmed each other. I didn't dare separate them because I knew they would be heartbroken! They were perfectly fine.
Birds might start plucking themselves if they are separated, but again, like Zara said, you can start with just removing the nest box. You don't need to start with separating them right off the bat.
Good luck!
I could not take a better picture because I do not want to scare him. Why does he sleeping there while she is sleeping in a normal place?
