The correct answer is option 3, Humming bird. Humming birds are the smallest birds in the world. They are tiny, weighing between 2 and 20 grams. They have a unique ability to hover in mid-air by rapidly flapping their wings, which can beat up to 80 times per second. Humming birds are known for their vibrant and iridescent plumage, with colors ranging from bright greens to shimmering purples. They are found primarily in the Americas, from Alaska down to Patagonia. Humming birds are also known for their long, thin beaks, which they use to reach for nectar from flowers, constituting an important part of their diet. These small and fascinating birds are a favorite among birdwatchers and nature enthusiasts.