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.
Â· just now. Report Abuse. If you are baking a whole chicken, put in the oven 400 degree F for 45 minutes to 1 hour. If you are doing chicken breast only, pre-heat in broil put chicken (skin side up for 10 minutes), then reduce the heat to 400 degrees and bake for 15 minutes.Flip the breast to skin side down and bake for 5 to 10 minutes or until chicken is no long pink.Rita Â· 10 years ago.f you are doing chicken breast only, pre-heat in broil put chicken (skin side up for 10 minutes), then reduce the heat to 400 degrees and bake for 15 minutes. Flip the breast to skin side down and bake for 5 to 10 minutes or until chicken is no long pink. Rita Â· 10 years ago.