Table 1. Summary of bird species heard and number of sound samples each species was detected out of 280 samples per recording point.

Family	Common Name	Scientific Name	Site A	Site B	Site C
Acanthizidae	Golden-bellied Gerygone	Gerygone sulphurea	32	127	143
Alcedinidae	Collared Kingfisher	Todiramphus chloris	46	76	105
Ardeidae	Black-crowned Night Heron	Nycticorax nycticorax	2	0	2
Artamidae	White-breasted Woodswallow	Artamus leucorynchus	3	2	0
Campephagidae	Pied Triller	Lalage nigra	2	5	3
Caprimulgidae	Philippine Nightjar*	Caprimulgus manillensis	2	1	2
Columbidae	Zebra Dove	Geopelia striata	1	2	11
Corvidae	Large-billed Crow	Corvus macrorhynchos	32	127	143
Dicaeidae	Red-keeled Flowerpecker*	Dicaeum australe	24	4	35
	Pygmy Flowerpecker*	Dicaeum pygmaeum	0	0	1
Laniidae	Brown Shrike	Lanius cristatus	13	6	1
Megalaimidae	Coppersmith Barbet	Psilopogon haemacephalus	0	7	31
Muscicapidae	Philippine Magpie-robin*	Copsychus mindanensis	5	1	1
Nectariniidae	Olive-backed Sunbird	Cinnyris jugularis	69	47	28
Oriolidae	Black-naped Oriole	Oriolus chinensis	130	121	86
Passeridae	Eurasian Tree Sparrow	Passer montanus	84	49	86
Picidae	Philippine Pygmy Woodpecker*	Yungipicus maculatus	15	3	4
Psittaculidae	Philippine Hanging Parrot*	Loriculus philippensis	21	16	33
Pycnonotidae	Yellow-vented Bulbul	Pycnonotus goiavier	115	155	97
Rhipiduridae	Philippine Pied Fantail*	Rhipidura nigritorquis	36	21	23
Zosteropidae	Lowland White-eye	Zosterops meyeni	18	66	8

From July 2020 to January 2022, 21 species from 20 families were heard in the National Science Complex. Asterisk (*) indicates Philippine endemic species.