Smallest in the world:
Smallest country by area/population– Vatican City
Vatican City is the smallest city in the world with just 0.2 square miles and it is situated on western bank of Tiber River. A city which is surrounded by Rome Italy with headquarter of Roman Catholic Church and home to pope.
Smallest continent- Australia
It is a smallest continent with total land area of 8.56 million square km. and second lowest inhabited on earth.
Smallest planet – Mercury
This is the smallest and inner planet of our solar system. It is also the closest planet to the sun .There has no water and gases like CO2, N2, H2, and O2.
Smallest bird – Bee Hummingbird/ Zunzuncito hummingbird/ Helena hummingbird
Theses birds are endemic to the entire Cuban archipelago including mainland of Cuba and West Indies.
Smallest mammal – Kitti’s hog-nosed bat, Bumblebee bat or Craseonycteris Thonglongyai.
This smallest mammal is also known as bumblebee bat with 1.1 inch. This mammal occurs in western Thailand and south east Myanmar along limestone caves. it is extant family member of Craseonycteridae.
Smallest/ Little Skyscrapers –Newby- McMohan Building
The world’s smallest/ little Skyscraper located in downtown Wichita Falls, Texas United States. The height of this building is 40feet tall. J.D McMohan was the Structural engineer and Michael Beards was the architect of this building.
Smallest flower – Wolffia Arrhiza
Commonly known as Watermeal or Duckweed . this is an aquatic plant. it’s scientific name is Wolffia from the family of Araceae. this plant is produced in a depression top surface of plant and has only one stamen and one pistil . it is of green or yellow- green colour.
Smallest sea/Ocean – Arctic Ocean
It is the smallest ocean/ sea in the world with 6.1 million square miles. It is bordered by Greenland , Canada, Norway, Alaska and Russia . the average depth of this Ocean is 3,953 feet
Smallest River – Roe River (Montana USA)
It flows 200 feet long between Giant springs and Missouri River near Great Fall.