Animalia > Chordata > Aves > Podicipediformes > Podicipedidae > Podiceps > Podiceps auritus

Podiceps auritus (Horned Grebe)

Synonyms: Podiceps cornutus; Podicipes auritus
Language: French; Spanish

Infraspecies

Podiceps auritus auritus
Podiceps auritus cornutus

Endangered Species

Status: Vulnerable
View IUCN Record: Podiceps auritus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
8
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
33
 Unique & Vulnerable (100)
ED Score: 17.7225
EDGE Score: 2.92973
Learn more at EDGE of Existence programme

Attributes

Clutch Size [7]  5
Clutches / Year [4]  1
Fledging [6]  58 days
Global Population (2017 est.) [3]  270,000
Incubation [4]  24 days
Maximum Longevity [6]  13 years
Migration [1]  Intercontinental
Water Biome [1]  Lakes and Ponds, Rivers and Streams, Coastal
Wing Span [8]  24 inches (.62 m)
Adult Weight [2]  412 grams
Birth Weight [4]  17 grams
Female Weight [6]  378 grams
Male Weight [6]  441 grams
Weight Dimorphism [6]  16.7 %
Breeding Habitat [3]  Freshwater marshes
Wintering Geography [3]  Northern U.S./Canada
Wintering Habitat [3]  Coastal marine, Freshwater lakes and rivers
Diet [5]  Carnivore (Invertebrates), Piscivore
Diet - Fish [5]  60 %
Diet - Invertibrates [5]  40 %
Forages - Water Surface [5]  30 %
Forages - Underwater [5]  70 %
Female Maturity [4]  1 year
Male Maturity [4]  1 year

Ecoregions

Protected Areas

+ Click for partial list (100)Full list (529)

Ecosystems

Important Bird Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Caucasus Armenia, Azerbaijan, Georgia, Iran, Russia, Turkey No
Indo-Burma Bangladesh, Cambodia, China, India, Laos, Myanmar, Thailand, Viet Nam No
Japan Japan No
Mediterranean Basin Algeria, Egypt, France, Greece, Israel, Jordan, Lebanon, Libya, Portugal, Spain, Syria, Tunisia, Turkey No
Mountains of Central Asia Afghanistan, China, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan No

Prey / Diet

Prey / Diet Overlap

Predators

Haliaeetus leucocephalus (Bald Eagle)[9]

Consumers

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 2Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset, https://doi.org/10.5061/dryad.n6k3n
♦ 3Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
♦ 4de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 5Hamish 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
♦ 6Nathan 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
♦ 7Jetz 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
♦ 8British Trust for Ornithology
♦ 9Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 10Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979
♦ 11Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Forage species in predator diets: synthesis of data from the California Current. Ecological Informatics 29(1): 45-56. Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Data from: Forage species in predator diets: synthesis of data from the California Current. Dryad Digital Repository.
♦ 12Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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
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