I'm a chuck breeder wannabe, as you seem to be. I have some dark brown and some light brown chucks, male and female, totalling 7 chucks altogether. I just received a tiny dark brown female cutie from Richard Montanucci and Tom Greb (THANKS guys! She's a sweetie! Love her lots!). She was supposed to become the roommate of my first male (a redback) but he's been too nuts and unpredictable to trust with the little girl. This guy's totally tame with me but goes nazi when he's with a female. He plows into the girls, knocks them across the cage, bites them ruthlessly, and would probably kill them if the girls weren't removed from his enclosure. How does one breed these creatures when the guys are so rough? Is the secret having a big enough cage that the girls can run away and hide when the guys are too intense in their courtship?
My second male is psycho with both me and the girls. Not tame at all (I love him anyway) and terribly aggressive toward the females.
The third guy is very polite to everyone except for other males. With them, he's fierce and would kill them if given the chance. This third guy lives with all 4 gals and seems to regard them as sisters rather than wives. So we have cycles of lots of eggs to incubate but none hatch because probably none are fertile. I work so can't watch them much during the day, but I rarely see copulation between this third fellow and his harem.
So I too am frustrated in chuck breeding efforts. I'm not willing to sacrifice any girls just to see if they could survive sexual assaults by my two crazy males. Would appreciate comments from the experts ...