Why does the author include explanations for why people compete in a Big Year? To convince readers birding is rewarding in many ways
To imply birders should get more respect
To suggest birders have strange hobbies
To suggest readers may have similar reasons

“what i heard was abominable,” said utterson. “it can make no change. you do not understand my position,” returned the doctor, with a certain incoherency of manner. “i am painfully situated, utterson; my position is a very strange—a very strange one. it is one of those affairs that cannot be mended by talking.” –the strange case of dr. jekyll and mr. hyde, robert louis stevenson write two to three sentences explaining how this passage creates suspense.