Animalia > Chordata > Aves > Podicipediformes > Podicipedidae > Rollandia > Rollandia rolland

Rollandia rolland (White-tufted Grebe)

Synonyms: Podiceps rolland

Wikipedia Abstract

The white-tufted grebe (Rollandia rolland) is a species of grebe in the family Podicipedidae. Found in the southern half of South America, its natural habitat is freshwater lakes, ponds and sluggish streams.
View Wikipedia Record: Rollandia rolland

Infraspecies

Rollandia rolland chilensis
Rollandia rolland morrisoni
Rollandia rolland rolland

EDGE Analysis

Uniqueness Scale: Similiar (0) 
9
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
34
 Unique & Vulnerable (100)
ED Score: 18.4559
EDGE Score: 2.96815
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  292 grams
Female Weight [3]  424 grams
Male Weight [3]  248 grams
Weight Dimorphism [3]  71 %
Diet [2]  Carnivore (Invertebrates), Piscivore
Diet - Fish [2]  80 %
Diet - Invertibrates [2]  20 %
Forages - Water Surface [2]  80 %
Forages - Underwater [2]  20 %
Clutch Size [4]  2

Ecoregions

Protected Areas

Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
Lagunas del suroeste y relictos del Caldenal Argentina A1, A4i
Ramis y Arapa (Lago Titicaca, sector Peruano) Peru A1, A2, A3, A4i

Biodiversity Hotspots

Name Location Endemic Species Website
Atlantic Forest Argentina, Brazil, Paraguay, Uruguay No
Cerrado Brazil No
Chilean Winter Rainfall-Valdivian Forests Chile No
Tropical Andes Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela No

Prey / Diet

Atelognathus patagonicus (Patagonia Frog)[5]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Chroicocephalus maculipennis (Brown-hooded Gull)1
Oxyura ferruginea (Andean Duck)1
Podiceps occipitalis (Silvery Grebe)1

Consumers

Parasitized by 
Episthmium wernickii <Unverified Name>[6]
Levinseniella cruzi[6]
Mesorchis argentinensis <Unverified Name>[6]
Profilicollis chasmagnathi[6]

Range Map

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
♦ 2Hamish 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
♦ 3Livezey, BC 1989. Flightlessness in grebes (Aves: Podicipedidae): its independent evolution in three genera. Evolution 43: 29–54
♦ 4Jetz 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
♦ 5Anurans as prey: an exploratory analysis and size relationships between predators and their prey, L. F. Toledo, R. S. Ribeiro & C. F. B. Haddad, Journal of Zoology 271 (2007) 170–177
♦ 6Gibson, 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