The correct answer is C. They are plainer than swallow-tail kites
Explanation:
The text presented in the question provides details about two different species of kites a type raptor, which are the Mississippi Kites and the swallow-tailed kites. For doing this, the author first provides information about the features of raptors or birds of prey by describing them; then the author introduces the kite including their features, habitat and the type of animals they prey and finally he explains the differences between the Mississippi and the swallow-tailed kites.
Aboth this, the author states both are found in the South of the U.S. and they both graceful when they fly, but there are also some differences between them, in the case of the Mississipi kite the author describes it as plain "The Mississippi kite is rather plain to look at: a light brown and gray body with a buff or white colored head" and describes this kit eats mainly insects. On the other hand, the swallow-tailed is described using the words "black wings and tail, white head and body, and a forked or swallow-like tail" and the author describe this kite eats reptiles, insects, rodents, frogs and even other birds.
Considering this, it can be concluded the main difference according to the text is that Mississippi kites "are plainer than swallow-tailed kites", because Mississippi kites are brown and gray with colored which simple in comparison to the swallow-tailed kites.