Article Detail Which is smallest and largest bird ? Answer: Smallest Bird is Humming Bird and Largest bird is Ostrich Similar Questions : 1. Which is largest Delta of India ? Answer: Sundarban (W. Bengal) 2. Which is the largest desert in India ? Answer: Thar (Rajasthan) 3. Which is Highest Battle field ? Answer: Siachin Glacier. Mastguru team Salutes to Indian soldiers. 4. Which is longest tributary river of India ? Answer: Yamuna 5. Which is Largest Dome in World ? Answer: St. Peter's Basilica (Rome) 6. Which is smallest planet ? Answer: Mercury 7. Which is smallest continent of world ? Answer: Australia Read more from - Longest and Largest