The smallest hummingbird, Bee Hummingbird or Zunzuncito (Mellisuga helenae), is a species of hummingbird that is endemic to Cuba and Isla de la Juventud. Wikipedia says it grows to cm and is not only the smallest hummingbird, but its also the
Calliope Hummingbird is the smallest bird in North America north of Mexico, the Calliope Hummingbird inhabits mountain areas of the northwestern United States. It is the smallest long-distance avian migrant in the world, spending its winters in Mexico.
Pretty mama hummingbird and babies ~~ Hummingbird nests are very hard to spot because they are so small and so well camouflaged. Both animals and people can easily look right at a hummingbird nest and think it is just a small knot on a tree limb.