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Egretta sacra

Kōtuku

Pacific Reef-Heron

Multimedia & Additional Resources

Type	Description	Download
Image:	Adults (dark and light morphs), head detail	41KB
Image:	Adults - dark & light morphs	47KB
Image:	Mild pied morph	117KB
Image:	Extreme pied morphs	38KB
Image:	Nest with egg clutch	73KB
Image:	Pied morph (Rarotonga)	82KB

General Information

COMMON NAMES: Pacific Reef-Heron, Reef Heron, Eastern Reef Egret; German Pazifischer Riffreiher

TRADITIONAL NAMES: Kōtuku (RR MG AT MK AK PL TS TW MH RK), Ngōtuku (MT), Matiku / Matiku Uli / Matiku Kena (PK NS)

COOK ISLANDS STATUS: Native, Resident Breeder; Marine, near-shore, nest on Land

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea: Present
RR	MG	AT	MK	MT	AK	PL	TK	MN
+++	P	+++	P	++++	P	P	+	+

Northern Group: Present
TN	MH	RK	PK	NS	SW
+	-	-	+V	-	+

Key to Symbols

blank	no data
-	absent	L	localised
X	extinct 'naturally'	W	widespread
XQi	quarantine intercepted	R	recent
XQe	eradicated	?	query preceding category
P	present	T?	taxonomic query
S	seasonal	nn	present, said to have no name
O	occasional	?1	present, name not investigated
++++	very common	?2	presence not verified, no name recorded
+++	common	N/A	absent, name not expected
++	uncommon
+	rare
Cook Islands islands: RR =Rarotonga, MG = Mangaia, AT =‘Ātiu, MK=Ma‘uke, MT=Miti‘āro, AK=Aitutaki, PL=Palmerston, PN=Penrhyn, MN=Manuae, TK=Takūtea, TN=Tongareva (TS=Tongaleva Spoken, TW=Tongareva Written, they say "el" but write "r"), MH=Manihiki, RK=Rakahanga, PK=Pukapuka, NS=Nassau, SW=Suwarrow. After a Polynesian name: ^=orthography query. Countries and other: FIJ=Fiji, WT=Wallis & Futuna, SAM=Samoa, TON=Tonga, NIU=Niue, CK=Cook Islands, CKM=Cook Islands Māori, FP=French Polynesia, AUS=Australs, SOC=Societies, TAH=Tahiti, TUA=Tuamotus, MQS=Marquesas, MNG=Mangareva, PIT=Pitcain group, EAS=Easter Island, HAW=Hawai‘i, NZ=New Zealand, NZM=New Zealand Māori

Scientific Taxonomy

Egretta sacra (Gmelin, 1789)
TAXONOMY: ANIMALIA; CHORDATA; GNATHOSTOMATA (Jawed Vertebrates); TETRAPODA; AVES; NEORNITHES; Ciconiiformes; ARDEIDAE

Vouchers & References

Vouchers:
None Recorded.

References:
None recorded.

Data Update History (information):
zTX, zB02, zM02, zupM03b

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org.
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