Snatching nests, food and sticks will all lead to war. The female bird will be more fierce, and its nest protection instinct will be more fierce than that of the male bird. Young birds are no match for adult birds. The one bitten in the picture below is obviously a bird, only 3 months old. It is effortless for the adult birds above to hit it.
The solution is actually to change the cage, change the big cage, change the slot into a big mouth or a double mouth, and there is a corner to hide. Although it may not be harmonious after a long time, it can at least make do.
Or two cages, and two birds will be neighbors respectively. When they get used to seeing each other and think it's good to have a partner, they will get together. At this time, they will fight the cage again, but at least they will not fight to the death.
Often throw some gadgets, sticks and corn husks into the cage to kill time for the birds, or what can I do when I run out? fight ....