World Species : Poliocephalus poliocephalus (Hoary-headed Grebe)

Animalia > Chordata > Aves > Podicipediformes > Podicipedidae > Poliocephalus > Poliocephalus poliocephalus

Poliocephalus poliocephalus (Hoary-headed Grebe)

Contents

Synonyms: Podiceps poliocephalus

Wikipedia Abstract

The hoary-headed grebe (Poliocephalus poliocephalus) is a member of the grebe family found in Australia and Tasmania. The bird takes its name from the silvery-white streaking on its black head. It is common in Australia, with a population of about 500,000. Its habitat is similar to that of the Australasian grebe.

View Wikipedia Record: Poliocephalus poliocephalus

EDGE Analysis

Uniqueness Scale: Similiar (0)

Unique (100)

Uniqueness & Vulnerability Scale: Similiar & Secure (0)

Unique & Vulnerable (100)

ED Score: 20.5423

EDGE Score: 3.07002

Learn more at EDGE of Existence programme

Attributes

Adult Weight ^[1]	240 grams
Birth Weight ^[2]	15.8 grams
Female Weight ^[4]	223 grams
Male Weight ^[4]	258 grams
Weight Dimorphism ^[4]	15.7 %

Diet ^[3]	Carnivore (Invertebrates), Piscivore
Diet - Fish ^[3]	10 %
Diet - Invertibrates ^[3]	90 %
Forages - Water Surface ^[3]	30 %
Forages - Underwater ^[3]	70 %

Clutch Size ^[6]	4
Incubation ^[5]	22 days
Mating Display ^[2]	Ground display
Mating System ^[2]	Monogamy

Ecoregions

+ Click for the list (35)

Protected Areas

+ Click for the list (12)

Biodiversity Hotspots

Name	Location	Endemic	Species	Website
Southwest Australia	Australia	No

Consumers

+ Click for the list (10)

Parasitized by
Atriophallophorus coxiellae	^[7]
Contracaecum praestriatum	^[7]
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Neopetasiger australis	^[7]
Paramonostomum caeci	^[7]
Pseudomenopon dolium	^[8]
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Streptocara crassicauda	^[7]
Streptocara recta	^[7]

External References

Citations

Attributes / relations provided by
♦ ¹Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ ²Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
♦ ³Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ ⁴Storer, RW 1987: Morphology and relationships of the hoary-headed grebe and the New Zealand Dabchick. The Emu 87: 150-158
♦ ⁵del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ⁶Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
♦ ⁷Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
♦ ⁸Species Interactions of Australia Database, Atlas of Living Australia, Version ala-csv-2012-11-19

Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database

Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund

Abstract provided by DBpedia licensed under a Creative Commons License

Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0