Camera testing Lam Tei 10-10-20

The mottled emigrant (Catopsilia pyranthe) 细波迁粉蝶
Great eggfly ( Hypolimnas bolina ) male 幻蛺蝶 . The upperside of the wings is jet black, offset with three pairs of white spots, two on the forewing and one on the hindwing. These spots are surrounded by purple iridescence. In addition, the upperside of the hindwing bears a series of small white dots.
Spotted sergeant ( Athyma sulpitia )苏带蛱蝶
Great eggfly ( Hypolimnas bolina ) female 幻蛺蝶 . The upperside of the wings of the female is a brownish black and does not have any spots like those of the male. The edges bear white markings which are similar to those of the common Indian crow.
https://www.facebook.com/jeff.mah.5/videos/10158587036974793/
Ceylon blue glassy tiger ( Ideopsis similis ) 拟旖斑蝶 , is a butterfly found in Asia, including Sri Lanka, India and Taiwan, that belongs to the subfamily Danainae (crows and tigers), in the family Nymphalidae (brush-footed butterflies).
Common peacock or Chinese peacock (Papilio bianor) 翠鳳蝶
Crimson marsh glider (Trithemis aurora) 紫紅蜻蜓 female. The male of the species is distinctly different from the female. The male has a reddish-brown face, with eyes that are crimson above and brown on the sides. The thorax is red with a fine, purple pruinescence. The abdomen, the base of which is swollen, is crimson with a violet tinge. The wings are transparent with crimson venation and the base has a broad amber patch. The wing spots are a dark reddish-brown and the legs are black.
Slender skimmer  or green marsh hawk ( Orthetrum sabina ) 狭腹灰蜻 . It is a medium-sized dragonfly with a wingspan of 60-85mm. Adults are grayish to greenish yellow with black and pale markings and green eyes. Its abdomen is greenish-yellow, marked with black. It is very similar to Orthetrum serapia in appearance, with both species appearing in northern Australia. Pale markings on segment four of the abdomen do not extend into the posterior section when viewed from above on Orthetrum sabina. Females are similar to males in shape, color and size; differing only in sexual characteristics. This dragonfly perches motionless on shrubs and dry twigs for long periods. It voraciously preys on smaller butterflies and dragonflies.
Hong Kong Seed Bank, Fu Tei

Field Trip Yuen Long 10-3-20

https://www.facebook.com/jeff.mah.5/videos/10158571640244793/
丹桂村水磄
Crimson marsh glider ( Trithemis aurora ) 紫紅蜻蜓 The male of the species is distinctly different from the female. The male has a reddish-brown face, with eyes that are crimson above and brown on the sides. The thorax is red with a fine, purple pruinescence. The abdomen, the base of which is swollen, is crimson with a violet tinge. The wings are transparent with crimson venation and the base has a broad amber patch. The wing spots are a dark reddish-brown and the legs are black.
The female has an olivaceous or bright reddish-brown face with eyes that are purplish-brown above and grey below. The thorax is olivaceous with brown median and black lateral stripes. The abdomen is reddish-brown with median and lateral black markings. The black markings are confluent at the end of each segment and enclose a reddish-brown spot. The wings are transparent with brown tips. The venation is bright yellow to brown and basal amber markings are pale. The wing spots are a dark brown and the lags are dark grey with narrow yellow stripes.
Crimson marsh glider ( Trithemis aurora ) 紫紅蜻蜓
Great eggfly (Hypolimnas bolina) 幻紫斑蛺蝶
Dark-branded Bushbrown (Mycalesis mineus ) 小眉眼蝶 眼蝶科眉眼蝶属的一种蝴蝶。该蝶有春、夏型之分。
The common sailor ( Neptis hylas ) 中环蛱蝶 , is a species of nymphalid butterfly found in the Indian subcontinent and southeast Asia. It has a characteristic stiff gliding flight achieved by short and shallow wingbeats just above the horizontal.
https://www.facebook.com/jeff.mah.5/videos/10158571715329793/
https://www.facebook.com/jeff.mah.5/videos/10158571715494793/

Field Trip Yuen Long 10-3-20

https://www.facebook.com/jeff.mah.5/videos/10158571640244793/?t=0
Great eggfly (Hypolimnas bolina) 幻紫斑蛺蝶
Crimson marsh glider (Trithemis aurora) 紫紅蜻蜓 The male of the species is distinctly different from the female. The male has a reddish-brown face, with eyes that are crimson above and brown on the sides. The thorax is red with a fine, purple pruinescence. The abdomen, the base of which is swollen, is crimson with a violet tinge. The wings are transparent with crimson venation and the base has a broad amber patch. The wing spots are a dark reddish-brown and the legs are black.
The female has an olivaceous or bright reddish-brown face with eyes that are purplish-brown above and grey below. The thorax is olivaceous with brown median and black lateral stripes. The abdomen is reddish-brown with median and lateral black markings. The black markings are confluent at the end of each segment and enclose a reddish-brown spot. The wings are transparent with brown tips. The venation is bright yellow to brown and basal amber markings are pale. The wing spots are a dark brown and the lags are dark grey with narrow yellow stripes.
Crimson marsh glider (Trithemis aurora) 紫紅蜻蜓
Great eggfly (Hypolimnas bolina) 幻紫斑蛺蝶

Field trip Long Valley 9-26-20

https://www.facebook.com/jeff.mah.5/videos/10158556153999793/?t=2
Net fishermen
https://www.facebook.com/jeff.mah.5/videos/10158556155114793/?t=1
Image may contain: plant, flower, nature and outdoor
Male common mormon ( Papilio polytes ) 玉带凤蝶 is a common species of swallowtail butterfly widely distributed across Asia.
Image may contain: plant, outdoor and nature
Image may contain: plant, flower, outdoor and nature
Image may contain: plant, flower, outdoor and nature
Plain tiger, African queen, or African Monarch ( Danaus chrysippus ) 金斑蝶
a medium-sized butterfly with a wingspan of about 7–8 cm (2.8–3.1 in). The body is black with many white spots. The wings are orange, the upperside brighter and richer than the underside. The apical half of the forewing is black with a white band. The hindwing has three black spots in the center. The wings are bordered in black and outlined with semicircular white spots.
Image may contain: plant, flower, outdoor and nature
Female great eggfly, common eggfly ( Hypolimnas bolina ) 幻紫斑蛱蝶
The upperside of the wings of the female is a brownish black and does not have any spots like those of the male. The edges bear white markings which are similar to those of the common Indian crow.
Image may contain: sky
Common picture wing or variegated flutterer (Rhyothemis variegata ) 斑丽翅蜻别名彩裳蜻蜓 is a species of dragonfly of the family Libellulidae, found in South Asia. It is a medium-sized dark bodied dragonfly with colorful wings tinted with pale yellow. There are a few black spots on the apices and nodes of the fore-wings. There is a large patch in the base of the hind-wings, marked with black and golden yellow. In females, the apical half of the fore-wings are transparent; basal half tinted with golden-yellow with black marks. The apical ends of the hind-wings are transparent; rest of wings marked with golden-yellow and black.
It breeds in marshes, ponds and paddy fields. They appear to have weak flight and can easily be mistaken for butterflies.
Image may contain: sky
Image may contain: flower, plant, outdoor and nature
Image may contain: plant and outdoor
Globe skimmer, globe wanderer or wandering glider ( Pantala flavescens ) 黄蜻 The dragonfly is up to 4.5 cm long, reaching wingspans between 7.2 cm and 8.4 cm. The front side of the head is yellowish to reddish. The thorax is usually yellow to golden coloured with a dark and hairy line. There were also specimens with a brown or olive thorax. The abdomen has a similar colour as the thorax.
The wings are clear and very broad at the base. There, too, there are some specimens with olive, brown and yellow wings.
Image may contain: 1 person, plant and outdoor
Slender skimmer or green marsh hawk ( Orthetrum sabina ) 狭腹灰蜻
It is a medium-sized dragonfly with a wingspan of 60-85mm. Adults are grayish to greenish yellow with black and pale markings and green eyes. Its abdomen is greenish-yellow, marked with black.

Rooftop critters 9-22-20 Yuen Long

https://www.facebook.com/jeff.mah.5/videos/10158549384859793/
Common tailorbird (Orthotomus sutorius) 长尾缝叶莺
https://www.facebook.com/jeff.mah.5/videos/10158549385314793/
Red-vented bulbul (Pycnonotus cafer) 白喉红臀鹎 
Genus Cletus 棘緣蝽屬

Hundreds of thousands of migratory birds have been found dead in New Mexico

Biologists at New Mexico State University are trying to find out why hundreds of thousands of migratory birds have been found dead across the state.The mystery started August 20 with the discovery of a large number of dead birds at the US Army White Sands Missile Range and White Sands National Monument, according to Martha Desmond, a professor at the university’s department of fish, wildlife and conservation ecology.What was first believed to be an isolated incident turned out to be a much more serious problem when hundreds more dead birds were found in regions across the state. including Doña Ana County, Jemez Pueblo, Roswell and Socorro.

Yuen Long Park 9-16-20

Very few birds sighted. Waiting for the migration next month.

木槿
https://www.facebook.com/jeff.mah.5/videos/10158533008724793/
https://www.facebook.com/jeff.mah.5/videos/10158533009014793/
https://www.facebook.com/jeff.mah.5/videos/10158533009479793/
水边围轻铁站