The parent (or parents) with the major responsibility for tending the eggs and the young usually lacks these bright colors, a means of avoiding attracting the attention of predators of eggs or young birds.
(The parent (or parents) with the major responsibility for tending the eggs and the young; lacks; these bright colors; T:usually)
The parent (or parents) with the major responsibility for tending the eggs and the young
lacks
these bright colors T:usually