Spectacled spiderhunter 
(Bắp chuối bụng vàng, Arachnothera flavigaster)

The spectacled spiderhunter (Arachnothera flavigaster) is a species of bird in the family Nectariniidae.
The bird is found in Brunei, Indonesia, Malaysia, Singapore, Thailand, and Vietnam.

The genus name Arachnothera means "spider hunter".
 Arachnothera 
 arachno- arachnid; arachnidial; spider. 
 Greek θήρα, ας, ἡ, thēra: hunting, the chase.

flavigaster: Latin flavus yellow; gaster belly.