From Siberia to Jibjibe: The Epic Journey of a Western Yellow Wagtail The Western Yellow Wagtail (Motacilla flava beema). Image courtesy: The Birds of the World. Traveling thousands of miles from the heart of Siberia to the waterways of Jibjibe, Nepal, the Western Yellow Wagtail is a true icon of avian endurance. The bird was small and slender, measuring around 5 to 6 inches long, with pale yellowish–white underparts, an olive–green back, a long tail, a slender black bill, and a striking pale supercilium (eyebrow stripe) framing its head. It rhythmically wagged its tail up and down as if it was dancing to celebrate the changing of seasons! At first glance, I recognized it instantly: a Yellow Wagtail. ...