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

Black-tailed gull (Mòng bể đuôi đen, Larus crassirostris) 

The black-tailed gull (Larus crassirostris) is a gull native to shorelines of East Asia.
This bird species is resident to coastlines of the East China Sea, Japan, Manchuria and the Kuril Islands.

Charadriiformes, Charadriidae, Charadrius: Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate; from Ancient Greek kharadrios a bird found in ravines and river valleys (kharadra, "ravine").

Laridae:from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

The genus name Larus is from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

Crassirostris is from Latin roots: crassus (thick/fat/stout) + rostrum (beak/snout).

Caspian gull (Larus cachinnans,  Mòng biển Caspi)

The Caspian gull (Larus cachinnans) is a large gull.
The Caspian gull breeds around the Black and Caspian Seas, extending eastwards across Central Asia to north-west China.

Charadriiformes, Charadriidae, Charadrius: Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate; from Ancient Greek kharadrios a bird found in ravines and river valleys (kharadra, "ravine").

Laridae:from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

The genus name Larus is from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

Cachinnans is a Latin word meaning "laughing," "laughing aloud," or "loudly laughing," derived from the verb cachinnare (to laugh or giggle).

Common gull or sea mew (Mòng bể đầu trắng, Larus canus)

The common gull (Larus canus) is a gull that breeds in cool temperate regions of the Palearctic from Iceland and Scotland east to Kamchatka in the Russian Far East.
Most common gulls migrate south in winter: the Mediterranean Sea, the southern Caspian Sea, and the seas around China and Japan.

Charadriiformes, Charadriidae, Charadrius: Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate; from Ancient Greek kharadrios a bird found in ravines and river valleys (kharadra, "ravine").

Laridae:from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

The genus name Larus is from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

In Latin, canus (adjective) means grey, hoary, white, or grizzled, often referring to hair, snow, or frost, and is associated with old age and wisdom. It stems from Proto-Italic kaznos and refers to a grayish-white color. 

European herring gull (Mòng bể chân vàng, Larus argentatus)

The European herring gull or simply herring gull (Larus argentatus) is a large gull breeding throughout the northern and western coasts of Europe. 

Some populations in colder areas migrate farther south in winter, but many are permanent residents.

Charadriiformes, Charadriidae, Charadrius: Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate; from Ancient Greek kharadrios a bird found in ravines and river valleys (kharadra, "ravine").

Laridae:from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

The genus name Larus is from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

Argentatus is a Latin adjective meaning "silvered," "adorned with silver," or "silvery". It is often used in scientific names to describe species with silver-like coloring.
Argentum (silver) + -atus (suffix meaning "provided with" or "having the likeness of").

Larus is a large genus of gulls with worldwide distribution (by far the greatest species diversity is in the Northern Hemisphere).
The genus name is from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

1/ European herring gull (Mòng bể chân vàng, Larus argentatus)
2/ Common gull or sea mew (Mòng bể đầu trắng, Larus canus)
3/ Black-tailed gull (Mòng bể đuôi đen, Larus crassirostris) 

Lesser black-backed gull (Larus fuscus)

The lesser black-backed gull (Larus fuscus) is a large gull that breeds on the Atlantic and Arctic coasts of Europe. 
The bird is migratory, wintering from the British Isles south to West Africa.

Charadriiformes, Charadriidae, Charadrius: Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate; from Ancient Greek kharadrios a bird found in ravines and river valleys (kharadra, "ravine").

Laridae:from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

The genus name Larus is from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

Fuscus is a Latin adjective meaning "dark," "swarthy," "dusky," or "brown", and can also describe a "hoarse" or "husky" voice. While it is a Latin term, it is frequently associated with the Greek prefix phae- or phaeo- (from phaios, meaning "dusky" or "gray-brown") when used in scientific or taxonomic naming conventions to describe similar dark or somber colorations.