Vietnam Adventure Tours & Travel, Trekking, Bird Watching, Cycling Tours

Copper-throated sunbird 
(Hút mật lưng đen, Leptocoma calcostetha)
The copper-throated sunbird (Leptocoma calcostetha) is a small passerine within the Nectariniidae family.
The bird is found in south-eastern Asia, predominantly in coastal regions: Singapore, Vietnam, Malaysia, the Philippines, Myanmar, Cambodia and western Indonesia (i.e. Java Island).

The name Leptocoma combines the Ancient Greek words leptos "delicate" or "fine" and kome "hair".
The species name calcostetha originates from the words khalkos which means bronze; and stēthos which means breast.

Leptocoma is a genus of sunbirds found from tropical South Asia to Papua New Guinea. Its members are sometimes included in Nectarinia.
The name Leptocoma combines the Ancient Greek words leptos "delicate" or "fine" and kome "hair".

1/ Purple-throated sunbird (Hút mật họng hồng, Leptocoma sperata)
Earlier considered conspecific with Van Hasselt's sunbird (Leptocoma brasiliana)
The specific name sperata is Latin for "bride" or "betrothed".

2/ Copper-throated sunbird (Hút mật lưng đen, Leptocoma calcostetha)
The species name calcostetha originates from the words khalkos which means bronze; and stēthos which means breast.

3/ Van Hasselt's sunbird (Leptocoma brasiliana)
Hút mật họng hồng

Purple-throated sunbird (Hút mật họng hồng, Leptocoma sperata)
Earlier considered conspecific with Van Hasselt's sunbird (Leptocoma brasiliana)

The purple-throated sunbird (Leptocoma sperata), is a species of bird in the family Nectariniidae.

The name Leptocoma combines the Ancient Greek words leptos "delicate" or "fine" and kome "hair".
The specific name sperata is Latin for "bride" or "betrothed".

Van Hasselt's sunbird 
(Leptocoma brasiliana)
Hút mật họng hồng

Van Hasselt's sunbird (Leptocoma brasiliana), is a species of bird in the family Nectariniidae. 

Nectariniidae: New Latin, from Nectarinia, type genus + -idae.
The name Leptocoma combines the Ancient Greek words leptos "delicate" or "fine" and kome "hair".
Brasiliana, general term for things, collections related to Brazil (mistakenly for this species).