What percentage of offspring will have short beaks?

To determine the percentage of offspring with short beaks, you would need to know the genetic traits involved, including whether the trait is dominant or recessive, and the genotypes of the parents. For example, if short beaks are a recessive trait and both parents are heterozygous, 25% of the offspring would typically express the short beak phenotype. Without specific genetic information, it's impossible to give an accurate percentage.