Phylloscopus borealis

Family sylviinae/ winter bird/ transit bird

Months of Appearance: From August to May of the next year.

Location of Appearance: the Main Gate, Planting Reserved Area, and east side of Wooden Trail.

With a length of 12 centimeters, the Phylloscopus borealis (Arctic warbler) has a green-brown back, dirty yellow prone surface, yellow-white eyebrows, two white wing straps, and yellow brown legs. It often appears in plains to low altitude forested areas singly or in small groups. It is vivacious, often moving about in the middle to top layer of the woods.