White-rumped Munia

💡 Everyday Comparisons for Size, Mass & Speed

• 💡 Its length of 11 cm is slightly longer than the long edge of a credit card (8.6 cm).
• 💡 Hong Kong's Leisure and Cultural Services Department introduces it as a common bird in urban parks that feeds mainly on seeds and moves in flocks.

Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.