Biologist Douglas Chadwick once observed a mountain goat of another type use its balance to avoid being trapped on a ledge that was too narrow for it to turn around.
जीव - विज्ञानी डगलस कैडविक ने एक बार एक दूसरे क़िस्म की पहाड़ी बकरी को अपना संतुलन प्रयोग करते हुए देखा ।