Rock Heron: (Scientific name: Egretta sacra) also known as the black heron, the rock heron has a white or charcoal gray heron with a body length of 55 to 64 cm. The grey type is more common , with grey body feathers and short crown feathers , and the nearly white chin is clearly visible in the wild. (Image from Oriental IC)
The heron ( scientific name : Ardea cinerea ) , also known as the grey heron , is a wading bird of the genus Herons in the family Heronidae and a model species of the genus Heron. It is an extremely common water bird in the wetlands of Eurasia and Africa. Large waterside birds with long heads, necks, feet and mouths, make them appear thin. (Image from Oriental IC)
The grass heron (scientific name: Ardea purpurea) is a large and medium-sized wader with a spindle-shaped body shape, the grass heron's forehead and head are blue-black, and the occipital part has two crown feathers formed by two gray-black long feathers, hanging behind the head, like braids, and ornamental feathers on the chest. It has the characteristics of "three longs", that is, the beak is long, the neck is long, and the legs are long. The legs are feathered, the shins are bare, and the three toes of the feet are in the front and one at the back. There is no obvious sac, the middle of the esophagus is expanded, and the entire esophagus can store food. (Image from Oriental IC)
The great egret (scientific name: Ardea alba) is a large and medium-sized wader, the adult's summer feathers are milky white; the beak is black; the head has a short crown of feathers; the shoulders and shoulders are long feathers that form clusters, stretching backwards, usually more than 10 cm above the tip of the tail feathers, sometimes no more; the stem base of the feathers is strong, until the ends of the feathers are gradually smaller, and the feather branches are slender and scattered; the adult birds of winter feathers have no feathers on their backs, no crowns on the head, and the iris is pale yellow. (Image from Oriental IC)
The bull-backed heron (scientific name: Bubulcus ibis) is obese and has a shorter and thicker beak and neck. Summer feathers are mostly white; The head and neck are orange-yellow , with feathers scattered into hair-like elongated feathers at the base of the fore neck and in the center of the dorsal ; the foreneck feathers are up to the thorax , the dorsal feathers are backwards up to the tail , and the tail and rest of the body feathers are white. Winter feathers are all white, with a few heads decorated with yellow, and no hair-like feathers. (Image from Oriental IC)
The pond heron (scientific name: Ardeola bacchus) is a typical wading bird with a body length of about 47 cm, white wings, and a brown longitudinal stripe. Breeding plumage: dark maroon on the head and neck, purple sauce on the chest. (Image from Oriental IC)
The Green Heron ( Scientific Name : Butorides striatus ) is a bird of the genus Heron in the family Heronidae , with 26 subspecies. Body length 48 cm, wingspan 52-60 cm, weight 200-250 g. Dark grey heron. It is small in size, with a black crown on the top of the head and a black occipital crown; a grayish-green upper body; and a silver-gray color on both sides of the lower body. It is commonly found in mountain streams and lakes, and inhabits scrubs, mudflats and mangroves. Alone, they usually stand still in the water, ambush prey, and feed on small fish, frogs, and aquatic insects. This bird lives alone except during the breeding season. (Image from Oriental IC)
The night heron (scientific name: Nycticorax nycticorax) is a medium-sized wading bird with a body length of 46–60 cm. The body is thicker and fatter, the neck is shorter, the mouth is thin, slightly curved downward, black; the shin is less exposed, the feet and toes are yellow; the top of the head to the back is black and green and metallic; the rest of the upper body is gray; the lower body is white; the pillow is covered with 2-3 long banded white feathers, sagging to the back, which is extremely eye-catching. (Image from Oriental IC)