Egretta sacra   (Gmelin,  1789) (Bird)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Aves
Order:Ciconiiformes
Family:Ardeidae

Image copyrights: Angus Wilson

Description
Size: 58 cm.

Voice: Occasional ork when feeding, a longer harsher arrk when alarmed.

Habits: Solitary, intermittently in twos and threes, roosts communally, generally diurnal, active, captures prey by stalking, during high tide sits in hunched posture, breeds in colonies from May to September.

Sexes alike. Adult: Dimorphic. One phase pure white, other slaty-black, bill yellow to blackish in dark phase and usually yellow in white, iris yellow. Legs pale yellowish green in white and nearly black in dark. A bushy nuchal crest and shorter plumes on breast and mantle identify breeding birds in both the color phases. Juvenile: Pied or mottled, in intermediate color stages.

Synonym (s)

Common Name (s)
• Pacific Reef Egret (English)
• Blue Reef Heron (English)
• Pacific Reef Heron (English)
• Pacific Reef-Egret (English)
• Reef Heron (English)
• Eastern Reef Egret (English)
• Eastern Reef Heron (English)
Economic Importance and Threats

Ecology
Habitat:  Reef Associated, Estuarine, Rocky, Sandy, Coastal
Trophic Level:  Consumer
Prey:  Fish, crabs and occasionally insects.
IUCN Status:  Least Concern

Biogeography


• Andaman and Nicobar Islands INDIA
• BANGLADESH
• MYANMAR
• Tamil Nadu, Chennai INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands, North Reef Island INDIA
• Tamil Nadu, Point Calimere (Lat: 10.3) (Long: 79.85) INDIA

Literature Source(s)
  • (2001) Sanctuary Asia natural history species: Species checklist: Birds Sanctuary Asia Sanctuary Magazine Available at - http://www.sanctuaryasia.com/resources/speciechklist/bird.php
  • Tikader, BK (1984) Birds of Andaman and Nicobar Island ZSI, Kolkata 1-167 Available at - NCL, Pune
  • UNEP World Conservation Monitoring Centre Available at - http://www.unep-wcmc.org/
  • Tikader, BK and Das, AK (1985) Glimpses of animal life of Andaman and Nicobar Islands ZSI, Kolkata 1-170 Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/
  • Kumar, A; Sati, JP; Tak, PC and Alfred, JRB (2005) Handbook on Indian wetland birds and their conservation Zoological Survey of India, Dehra Dun 468 pp Available at - NIO, Goa
  • oceanwanderers.com Available at - http://www.oceanwanderers.com/
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at - http://tnenvis.nic.in
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • Rao, GC; Rao, DV and Devi, K (1994) A faunal exploration of the North Reef Island sanctuary, North Andaman Journal of the Andaman Science Association Andaman Science Association, Port Blair 10(1&2) 68-81 Available at - NIO, Goa
  • Lal Mohan RS (1986) Birds and Bird Catchers Of Ramanathapuram Coast Available at - http://eprints.cmfri.org.in/5615/1/10.pdf
  • Vernacular names of the Birds of the Indian Subcontinent Buceros, Envis newsletter: Avian Ecology & Inland Wetlands 62pp Available at - http://www.bnhsenvis.nic.in/pdf/BUCEROS%203%20(1).pdf
  • Kumar A, sati JP and Tak CK (2003) Checklist of Indian Waterbids Buceros Envis Newsletter: Avian ecology and inland wetlands 8(1) 30pp Available at - http://www.bnhsenvis.nic.in/pdf/BUCEROS%208%20(1).pdf
  • Manakadan R and Pittie A (2001) Standardized English names of the Birds of the Indian Subcontinent BUCEROS Envis Newsletter: Avian ecology and inland wetland 6(1) 26pp Available at - http://www.bnhsenvis.nic.in/pdf/BUCEROS%206%20(1).pdf

Page last updated on:2012-07-23

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