Table 5.2 – Active Ardeid Night Roost Survey Findings

Date: 13 October 2022 Sunset Time: 18:00 Tidal Condition: Low Tide
Pre-roost Period				Final roost Period
Time of Return:	Chinese Pond Heron Ardeola bacchus, Little Egret Egretta garzetta, Great Egret Ardea alba, and Grey Heron Ardea cinerea (17:40)			Time of Return:	Chinese Pond Heron Ardeola bacchus, and Little Egret Egretta garzetta (18:20)
Parameters		Location		Parameters	Location
Parameters		ANR1	ANR2	Parameters	ANR1	ANR2
Pre-roost Aggregation (Y/N):		Y	N	Substrate Species:	Sonneratia apetala and S. caseolaris	Sonneratia apetala and S. caseolaris
Substrate Species:		Sonneratia apetala and S. caseolaris	Sonneratia apetala and S. caseolaris	Substrate Height (m):	Approx. 5 m.	Approx. 3-4 m.
Substrate Height (m):		Approx. 5 m.	Approx. 3-4 m.	Substrate Height (m):	Approx. 5 m.	Approx. 3-4 m.
Ardeid Species Composition		Abundance (individuals)		Ardeid Species Composition	Abundance (individuals)
Ardeid Species Composition		ANR1	ANR2	Ardeid Species Composition	ANR1	ANR2
Chinese Pond Heron Ardeola bacchus		2	-	Chinese Pond Heron Ardeola bacchus	4	12
Little Egret Egretta garzetta		1	1	Little Egret Egretta garzetta	-	4
Great Egret Ardea alba		-	4
Grey Heron Ardea cinerea		1	2
Breeding Activity (Y/N):		ANR1	N
Breeding Activity (Y/N):		ANR2	N

Notes:

Pre-roost Period: Period when avian individuals gather first before flying into a night roost

ANR1: Active ardeid night roost area east of the Project boundary

ANR2: Active ardeid night roost area northeast of the Project boundary

-: not recorded