Animalia > Chordata > Aves > Podicipediformes > Podicipedidae > Podiceps > Podiceps nigricollis

Podiceps nigricollis (Eared Grebe; Black-necked Grebe)

Synonyms: Colymbus nigricollis; Podicipes nigricollis
Language: French; Spanish

Wikipedia Abstract

The black-necked grebe (Podiceps nigricollis), known in North America as the eared grebe, is a member of the grebe family of water birds. It occurs on every continent except Australia and Antarctica.
View Wikipedia Record: Podiceps nigricollis

Infraspecies

EDGE Analysis

Uniqueness Scale: Similiar (0) 
8
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
33
 Unique & Vulnerable (100)
ED Score: 16.9566
EDGE Score: 2.88796

Attributes

Adult Weight [1]  295 grams
Birth Weight [3]  14 grams
Female Weight [6]  374 grams
Male Weight [6]  422 grams
Weight Dimorphism [6]  12.8 %
Breeding Habitat [2]  Freshwater marshes, Saline lakes
Wintering Geography [2]  Western U.S./Mexico
Wintering Habitat [2]  Coastal marine, Saline lakes, Freshwater lakes and rivers
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Ectothermic [4]  10 %
Diet - Fish [4]  10 %
Diet - Invertibrates [4]  80 %
Forages - Water Surface [4]  40 %
Forages - Underwater [4]  60 %
Clutch Size [7]  4
Clutches / Year [3]  2
Fledging [3]  45 days
Global Population (2017 est.) [2]  2,700,000
Incubation [5]  21 days
Mating Display [8]  Ground display
Mating System [8]  Monogamy
Maximum Longevity [5]  12 years
Wing Span [9]  23 inches (.58 m)
Female Maturity [5]  2 years
Male Maturity [5]  2 years

Ecoregions

Protected Areas

+ Click for partial list (100)Full list (523)

Ecosystems

Important Bird Areas

Biodiversity Hotspots

Prey / Diet

Artemia monica (Mono brine shrimp)[10]
Artemia salina (sea monkeys)[11]
Oncorhynchus clarkii (Cutthroat trout)[12]
Syngnathus leptorhynchus (slendernosed pipefish)[13]

Prey / Diet Overlap

Predators

Haliaeetus leucocephalus (Bald Eagle)[13]

Consumers

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset, https://doi.org/10.5061/dryad.n6k3n
2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
3Nathan 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
4Hamish 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
5de 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
6Cullen, S. A., J. R. Jehl, Jr., and G. L. Nuechterlein. 1999. Eared grebes (Podiceps nigricollis). Pages 1–28 in A. Poole and F. Gill, editors. The birds of North America, No. 433. Birds of North America, Philadelphia, Pennsylvania, USA.
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
8Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
9British Trust for Ornithology
10del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
11HABITAT USE AND DIET SELECTION OF NORTHWARD MIGRATING WADERS IN THE SIVASH (UKRAINE): THE USE OF BRINE SHRIMP ARTEMIA SALINA IN A VARIABLY SALINE LAGOON COMPLEX, YVONNE VERKUIL, TOM M. VAN DER HAVE, JAN VAN DER WINDEN & IOSIF I. CHERNICHKO, ARDEA 91(1), 2003, pp. 71-83
12National Geographic Magazine - May 2016 - Yellowstone - The Carnivore Comeback
13Jorrit 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.
14Gibson, 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
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