It takes 26 pounds of pressure to break a swan's egg and 120 pounds to smash the egg of an ostrich. Finding a place to safely place and hatch their eggs, and raise their young to the point of independence, is a challenge birds have solved in many clever ways. They use artistry, intricate design and complex engineering. The diversity of nest architecture has no equal in the animal kingdom.
1 The chicken breasts should be completely covered with the parchment.  Bake until the chicken is 165Â°F: Transfer the chicken to the oven until the chicken is completely opaque all the way through and registers 165Â°F on an instant-read thermometer. Start checking after 20 minutes; total cooking time is usually 30 to 40 minutes.
Roast the chicken in the oven for 15 minutes. Reduce the  temperature to 375Â°F and continue roasting until the juices run  clear and a thermometer inserted into the inner t â¦ high (but not  touching the bone) registers 165Â°F, about 50 minutes to 1  hour more.00 degrees for 15 minutes to brown then reduce heat to 350 for another 15-20 minutes. Chicken is done when you pierce the meat with a fork, press on it and the juices are cle â¦ ar, not red or pink. + 31 others found this useful. Su Su Htain.