Article Detail Which is smallest and largest bird ? Answer: Smallest Bird is Humming Bird and Largest bird is Ostrich Similar Questions : 1. Which is the shortest day in the year ? Answer: December 22 2. Which is Largest railway route in India ? Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu. 3. Which is the lightest gas ? Answer: Hydrogen 4. Which is the longest River in the World ? Answer: Nile 5. Which is smallest continent of world ? Answer: Australia 6. Which is the longest Platform ? Answer: Gorakhpur railway station, Uttar Pradesh, India (1355.40 meters) 7. Which is the largest Zoo in India ? Answer: Zoological Gardens, Alipur, Kolkata Read more from - Longest and Largest