Unknown calls

This page lists unresolved nocturnal bird call types currently recognised in the project. Each call type has its own page containing example clips, notes, and current evidence.

australian wood duck or cat

1 published example

black-fronted dotterel-like plink

3 published examples

black-fronted dotterel-like trill

1 published example

brief pied butcherbird-like

1 published example

bronze-cuckoo-like tremulous

1 published example

brown honeyeater-like pew pew

2 published examples

brown quail-like low

3 published examples

buff-banded rail-like but hoarse

4 published examples

buff-banded rail-like but pure

2 published examples

bush stone-curlew-like

1 published example

bush-hen-like short piping

Sounds quite like a Pale-vented Bush-hen, but only a short series of notes.

2 published examples

button-quail-like

1 published example

cheerful chirping

2 published examples

chi-chu

1 published example

chicken-like gobble

2 published examples

chirru

1 published example

chup chup chup

1 published example

churr

1 published example

coot-like squark

2 published examples

corella-like wail

2 published examples

cuckoo-like trill

2 published examples

curlew-like

1 published example

currawong-like

3 published examples

double cluck

2 published examples

double screech

1 published example

down-then-down-again-or-flying-fox

1 published example

downslur

3 published examples

downwards chew

2 published examples

downwards churr

2 published examples

downwards double whistle

1 published example

downwards high buzz

1 published example

downwards peep-pew

2 published examples

downwards pew

3 published examples

duck sp flight call

1 published example

duck sp harsher quack flight call

2 published examples

duck sp harsher quack wingbeats

1 published example

duck sp short quack flight call

1 published example

duck sp short quack wingbeats

1 published example

duck sp triple cluck flight call

2 published examples

duck sp triple cluck wingbeats

1 published example

duck sp wingbeats

1 published example

eastern barn owl-like screech

1 published example

fan-tailed cuckoo chireee-like

1 published example

fast downwards cheep

1 published example

fast downwards pew

3 published examples

finch-like chip

1 published example

four-note low warble

2 published examples

goose-like honk

2 published examples

grey shrikethrush-like

1 published example

grey shrikethrush-like low downward peep

1 published example

heron-like croak

1 published example

high buff-banded rail-like

Neatly structured short liquid trill, recalling Buff-banded Rail, but higher pitched and a little longer.

2 published examples

high cheep

3 published examples

high chew chew chew

1 published example

high chip

1 published example

high creak

Unknown high pitched creak, not unlike a crazed Buff-banded Rail

3 published examples

high double pip

1 published example

high nasal honk

1 published example

high plick

1 published example

high twitter

1 published example

high up-then-up

1 published example

high wail

Possibly Little Corella - see coincidence with corella-like wail on DELC_20260825_233000.wav at 00:05:17

3 published examples

high whirring

3 published examples

high-pitched up-down

1 published example

hoarse quail-like

1 published example

hurried wheeze

2 published examples

kee-oh

1 published example

kingfisher-like trill

3 published examples

koel-keek-like high

2 published examples

koel-like stilt-like

Maybe just a Pacific Koel, but sounds odd and possible shorebirdy?

1 published example

lewin's rail-like kek

1 published example

liquid semitone step down

1 published example

low bittern-like

1 published example

low brief chip

1 published example

low buff-banded rail-like

1 published example

low chirr-ee-uu

1 published example

low cluck

1 published example

low crake-like

3 published examples

low disyllabic

1 published example

low double cluck

1 published example

low down-up

3 published examples

low downward chirrew

2 published examples

low downward pew

2 published examples

low fast piping

Reminiscent of Pale-vented Bush-hen, fast piping notes around 800 Hz, can be interspersed with short upward-infected note around 850 Hz

1 published example

low hoot

2 published examples

low kyyew

3 published examples

low liquid preep

1 published example

low loud bush-hen-like

3 published examples

low modulated chip

1 published example

low plaintive whistle

3 published examples

low quip quip quip

1 published example

low rising chirp

2 published examples

low slow koel keek-like

2 published examples

low squark

1 published example

low up-down

1 published example

low upslur

1 published example

low wail

3 published examples

low whistle

1 published example

moorhen or swamphen

3 published examples

moorhen-like screech

3 published examples

moorhen-like squark

Superficially moorhen-like, check whether this could be glider

2 published examples

moorhen-like upside-down-v squeal

2 published examples

n-shaped whistle

1 published example

noisy miner-like double note

2 published examples

noisy pitta-like

1 published example

parrot-like anxiety call

3 published examples

parrot-like chatter

1 published example

petulant chuckle

2 published examples

pheasant coucal-like squark

3 published examples

pied butcherbird-like

1 published example

plaintive whistle

2 published examples

possum or tyto

This sound occurred just prior to definite possum noises, so that's probably what it is, but sounds eerily like a Tyto!

2 published examples

quark

2 published examples

r-shaped squeak

3 published examples

rallid-like screech

1 published example

repeated rising piping

1 published example

rhythmic chatter

1 published example

rhythmic whew

1 published example

ringing double note

1 published example

ringing single note

3 published examples

rising chirp

1 published example

russet-tailed thrush-like

1 published example

sacred kingfisher-like soft call

Maybe just a Sacred Kingfisher, but sounds softer and slower

2 published examples

scratchy rasp ibis-like

1 published example

shorebird-like mewing

1 published example

shorebird-like soft chuck

1 published example

short 4k buzz

3 published examples

short 4k chip

2 published examples

short double cluck

1 published example

short double peep

2 published examples

silvereye-like

1 published example

slow bush-hen-like

2 published examples

slow deep brown quail-like

1 published example

squark at 2500

2 published examples

squeak

On 20 May 2026, at least two birds flying together (two calls in close proximity, calls get louder then stop)

1 published example

step-down 4k

1 published example

stilt-like yelp

1 published example

sudden harmonic squawk

1 published example

tet tet tet

3 published examples

thin double note

2 published examples

thin upwards whistle

2 published examples

tick at 5khz

2 published examples

tinny clack

2 published examples

triple clack

2 published examples

triple peep

Faint triple peep - looks to be structured like a bird call, with a thin downsweep on the spectrogram, but possibly a nonbird.

1 published example

triple step-up

1 published example

triple upward pew

2 published examples

tyto-like screech

3 published examples

Unknown bird call

1 published example

Unknown Bird Wingbeats

3 published examples

up-down warble at 4k

1 published example

upside-down-v squark

2 published examples

upslur

1 published example

upwards pew

Unknown upsweeping call, not unlike the typical downsweeping Shining Bronze-cuckoo CALL.

2 published examples

upwards quack

1 published example

upwards trill

1 published example

Wandering Whistling Duck-like trill

1 published example

waterbird-like rasp

2 published examples

waterbird-like squark

3 published examples

waterbird-like staccato

3 published examples

weird warble

2 published examples

whauw

1 published example

wheeuw

1 published example

whistle at 4.5k

1 published example

whistle down then up

3 published examples

whistle stepping up

1 published example

whistler-like down then upslur

1 published example

whistler-like short

Very short vaguely whistler-like call.

1 published example

wonga pigeon-like

Unknown low piping sound, what could be making this?

1 published example

YTBC-like

2 published examples