1. Chirping: a high-pitched, cheerful sound made by birds like sparrows, finches, and canaries.
2. Tweeting: a short, high-pitched sound made by birds like sparrows, robins, and blue jays.
3. Cawing: a loud, harsh sound made by birds like crows, ravens, and seagulls.
4. Squawking: a loud, harsh sound made by birds like seagulls, geese, and ducks.
5. Chattering: a rapid, high-pitched sound made by birds like parrots, magpies, and starlings.
6. Trilling: a musical, rolling sound made by birds like thrushes, wrens, and warblers.
7. Hooting: a low, mournful sound made by birds like owls, doves, and pigeons.
8. Cheeping: a high-pitched, peeping sound made by baby birds, like chicks and ducklings.
9. Warbling: a musical, melodic sound made by birds like songbirds, thrushes, and orioles.
10. Coos: a soft, soothing sound made by birds like doves, pigeons, and woodpigeons.