Scarlet macaws are a symbol of fidelity and virtue to many people because they are thought to mate for life—but it turns out that they also “play favorites” when feeding their young, making them excellent mates, but neglectful parents. Scarlet macaws are a symbol of fidelity and virtue to many people because they are thought to mate for life—but it turns out that they also “play favorites” when feeding their young, making them excellent mates, but neglectful parents. Plants & Animals Phys.org – latest science and technology news stories