Getty Images. Art: Jillian Sellers. A family tree is a genealogical chart documenting a person's ancestry. The diagram represents generations of family members and their relationships to one another.
Figure 1. Simplified family tree of birds. All seven fossil birds with meals fossilised in their stomachs are colour coded. The other 150+ named species of Mesozoic birds do not preserve any meals.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results