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[Hong Kong] Shrike ID Please.

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1^# A A A Post at 9/10/2013 13:23 Show all

Shrike ID Please.

地點 : 塱原 LV

日期 : 2013-10-08

A/

根據 According to :

http://www.cnbird.org.cn/shouce/c.asp.htm

A 是棕背伯勞? 身和尾羽的比例是~ 1:0.473 ; 尾羽無白邊。
Is it a Long-tailed Shrike? As the ratio of the body to the tail is appro. 1:0.473; No white edge is observed on tail feathers.

B 是栗背伯勞? 身和尾羽的比例是~ 1:0.425 ; 尾羽有白邊。
Is it a Burmese Shrike? As the ratio of the body to the tail is appro. 1:0.425; White edge is observed on tail feathers.

Many thanks!

隨緣為經，量力為緯；有緣無力是枉然，有力無緣也徒然。