Animalia > Chordata > Aves > Procellariiformes > Procellariidae > Procellaria > Procellaria aequinoctialis

Procellaria aequinoctialis (White-chinned Petrel)

Synonyms: Procellaria aeqinoctialis; Procellaria aequinoctialis aequinoctialis

Wikipedia Abstract

The white-chinned petrel or Cape hen, Procellaria aequinoctialis, is a large shearwater in the family Procellariidae. It ranges around the Southern Ocean as far north as southern Australia, Peru and Namibia, and breeds colonially on scattered islands.
View Wikipedia Record: Procellaria aequinoctialis

Infraspecies

Procellaria aequinoctialis steadi

Endangered Species

Status: Vulnerable
View IUCN Record: Procellaria aequinoctialis

EDGE Analysis

Uniqueness Scale: Similiar (0) 
4
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
45
 Unique & Vulnerable (100)
ED Score: 8.96559
EDGE Score: 3.68543
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  2.943 lbs (1.335 kg)
Birth Weight [2]  120 grams
Diet [3]  Carnivore (Invertebrates), Piscivore
Diet - Fish [3]  30 %
Diet - Invertibrates [3]  70 %
Forages - Water Surface [3]  50 %
Forages - Underwater [3]  50 %
Clutch Size [2]  1
Clutches / Year [1]  1
Egg Length [1]  3.268 inches (83 mm)
Egg Width [1]  2.126 inches (54 mm)
Fledging [1]  3 months 5 days
Incubation [4]  59 days
Mating Display [2]  Ground display
Maximum Longevity [1]  30 years
Migration [5]  Interoceanic
Wing Span [6]  4.592 feet (1.4 m)
Female Maturity [1]  6 years 6 months

Ecoregions

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Bañados del Este Wetland Reserve 986054 Uruguay  
Palmer LTER Site Long Term Ecological Research   Antarctica    
Cape Peninsula National Park II 70141 Western Cape, South Africa
West Coast National Park II 59916 Western Cape, South Africa

Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
Île de l'Est French Southern Territories A1, A2, A4i, A4ii, A4iii    
Kidney Island Group Falkland Islands (Malvinas) A1, A2, A4ii, A4iii
New Island Group Falkland Islands (Malvinas) A1, A2, A4i, A4ii, A4iii    
Prince Edward Islands Special Nature Reserve South Africa A1, A4i, A4ii, A4iii  
Reserva Nacional de Paracas Peru A1, A2, A3, A4i, A4ii

Biodiversity Hotspots

Name Location Endemic Species Website
New Zealand New Zealand No

Prey / Diet

Prey / Diet Overlap

Consumers

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
♦ 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
♦ 4White-chinned Petrel (Procellaria aequinoctialis), Agreement on the Conservation of Albatrosses and Petrels - www.acap.aq
♦ 5Myers, 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
♦ 6Gust soaring as a basis for the flight of petrels and albatrosses (Procellariiformes), Colin J. Pennycuick, Avian Science Vol. 2 No. 1: (2002)
♦ 7Jorrit 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.
♦ 8Jackson, S. (1988). Diets of the white-chinned petrel and sooty shearwater in the southern Benguela Region, South Africa Condor 90, 20–28
♦ 9THE DIETS AND DIETARY SEGREGATION OF SEABIRDS AT THE SUBANTARCTIC CROZET ISLANDS, VINCENT RIDOUX, MARINE ORNITHOLOGY Vol. 22 No. 1 1994
♦ 10THE DIET OF THE WHITECHINNED PETREL PROCELLARIA AEQUINOCTIALIS AT SUB-ANTARCTIC MARION ISLAND, J. COOPER, A. FOURIE & N. T. KLAGES, Marine Ornithology 20: 17-24 (1992)
♦ 11Amphipod-based food web: Themisto gaudichaudii caught in nets and by seabirds in Kerguelen waters, southern Indian Ocean, Pierrick Bocher, Yves Cherel, Jean-Philippe Labat, Patrick Mayzaud, Suzanne Razouls, Pierre Jouventin, Marine Ecology Progress Series, Vol. 223: 261–276, 2001
♦ 12Species Interactions of Australia Database, Atlas of Living Australia, Version ala-csv-2012-11-19
♦ 13International Flea Database
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