Hummingbirds possess the fewest number of feathers ever counted on a bird . . . 950!!
The average Ruby-throat weighs 2.4 - 3.6 grams. To put that number into perspective, that means that you could mail 9 to 10 of these birds with a single stamp!
Due to their small size and brilliant plumage, Ruby-throated Hummingbirds were hunted for collections during the 19th century. Luckily, their population never became threatened.
BONUS QUESTION ANSWERS
1) Male Ruby-throated Hummingbird
2) Ruby-throats consume Twice their body weight in food, each day!!