Table 5.2 – Active Ardeid Night Roost Survey Findings

Date: 11 June 2021                                                                                                        Sunset Time: 19:07

                                                                                                                                      Tidal Condition: Low Tide

Pre-roost Period

Final roost Period

Time of Return:

Little Egret Egretta garzetta (18:22)

Time of Return:

Little Egret Egretta garzetta (18:50)

Parameters

Location

Parameters

Location

ANR1

ANR2

ANR1

ANR2

Pre-roost Aggregation (Y/N):

Y

Y

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.

Ardeid Species Composition

Abundance (individuals)

Ardeid Species Composition

Abundance (individuals)

ANR1

ANR2

ANR1

ANR2

Little Egret Egretta garzetta

2*

6*

Little Egret Egretta garzetta

3

-

Breeding Activity (Y/N):

ANR1

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

*: individuals aggregated on the exposed mudflat contiguous to their final mangrove roosting substrate

-: not recorded