Animalia > Chordata > Aves > Anseriformes > Anatidae > Tadorna > Tadorna variegata

Tadorna variegata (Paradise Shelduck)

Wikipedia Abstract

The paradise shelduck (Tadorna variegata) is a large goose-like duck endemic to New Zealand. It is a shelduck, a group of large goose-like birds which are part of the bird family Anatidae. The genus name Tadorna comes from Celtic roots and means "pied waterfowl".Known to the Māori as pūtangitangi, but now commonly referred to as the "paradise duck", it is a prized game bird. Both the male and female have striking plumage: the male has a black head and barred black body, the female a white head with a chestnut body.
View Wikipedia Record: Tadorna variegata

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 2.80789
EDGE Score: 1.33708


Adult Weight [1]  3.415 lbs (1.549 kg)
Birth Weight [2]  91 grams
Female Weight [4]  3.058 lbs (1.387 kg)
Male Weight [4]  3.774 lbs (1.712 kg)
Weight Dimorphism [4]  23.4 %
Diet [3]  Carnivore (Invertebrates), Herbivore
Diet - Invertibrates [3]  50 %
Diet - Plants [3]  50 %
Forages - Ground [3]  80 %
Forages - Water Surface [3]  20 %
Clutch Size [6]  9
Clutches / Year [1]  1
Egg Length [1]  2.559 inches (65 mm)
Egg Width [1]  1.85 inches (47 mm)
Fledging [1]  60 days
Incubation [5]  30 days
Mating Display [2]  Ground display
Mating System [2]  Monogamy
Maximum Longevity [5]  23 years
Snout to Vent Length [1]  26 inches (67 cm)


Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Arthur's Pass National Park II 257008 South Island, New Zealand
Mount Aspiring National Park II 473907 South Island, New Zealand
South Taupo Wetland   North Island, New Zealand      
Tongariro National Park II 196174 North Island, New Zealand

Biodiversity Hotspots

Name Location Endemic Species Website
New Zealand New Zealand Yes

Institutions (Zoos, etc.)

Range Map


External References



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
4Marchant, S.; Higgins, PJ (eds.) 1990. The handbook of Australian, New Zealand and Antarctic birds, Vol. 1., ratites to ducks. Oxford University Press, Melbourne
5New Zealand Department of Conservation
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
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License