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Fulvous Whistling-Duck
Dendrocygna bicolor
Anatidae család fajai


© Markus Sobotka
száma leghosszabb
elsődleges 10 szárnyanként 173.5 - 179.0mm n=3
E6 (33%) E7=E6 (33%) E7 (33%)
másodlagos 17-18 szárnyanként 141.5 - 148.0mm n=2
M2 (100%)
repülés 16
nincs elérhető adat
wing length1 hand-wing-index1,2 (HWI) primaries-index wing length/longest primary ratio hand-wing-index/primaries-index ratio
217 - 235mm n=6 26 - 31% n=4 18 - 20% n=3 nincs elérhető adat nincs elérhető adat
detailed information

The wing length is measured on the flattened and straightened wing ("maximum chord") from the carpal joint to the tip of the longest primary feather, the so-called "Kleinschmidt-method".

combined data from:
Avonet1: 217 - 235mm n=6

The hand-wing-index, introduced by Kipp 1959, is calculated as the ratio of the hand length (difference between the length of the longest primary and the first secondary) to the wing length.

combined data from:
Avonet1: 26 - 31% n=4,
 The primaries-index is calculated as the ratio of the longest primary feather length to the first (outermost) secondary. It is the equivalent of the hand-wing index for feather measurements. The wing length/longest primary ratio is calculated as the ratio of the wing length to the length of the longest primary feather. The hand-wing-index/primaries-index ratio is calculated as the ratio of the hand-wing index to the primaries-index.
1 Tobias, J. A., et al. (2022). AVONET: morphological, ecological and geographical data for all birds.
2 Kipp, Friedrich A.: "Der Handflügel-Index als flugbiologisches Maß", erschienen in "Vogelwarte - Zeitschrift für Vogelkunde", 1959, Band 20, Heft 1


ország allokációk

létező

Angola · Antigua and Barbuda · Argentina · Aruba · Bahamas · Bangladesh · Barbados · Belize · Benin · Bermuda (vagrant) · Bhutan (vagrant) · Bolivia, Plurinational State of · Botswana · Brazil · Burkina Faso · Burundi · Cameroon · Canada · Cayman Islands · Central African Republic · Chad · Chile · Colombia · Congo · Congo, The Democratic Republic of the · Costa Rica · Côte d'Ivoire · Cuba · Dominica · Dominican Republic · Ecuador · El Salvador · Eritrea · Eswatini · Ethiopia · France (vagrant) · French Guiana · Gabon · Gambia · Ghana · Grenada (vagrant) · Guadeloupe · Guatemala · Guinea · Guinea-Bissau · Guyana · Haiti · Honduras · India · Israel (vagrant) · Jamaica (vagrant) · Kenya · Lesotho · Madagascar · Malawi · Mali · Martinique · Mauritania · Mexico · Montserrat · Morocco (vagrant) · Mozambique · Myanmar · Namibia · Nepal · Niger · Nigeria · Oman (vagrant) · Pakistan · Panama · Paraguay · Peru · Portugal (vagrant) · Puerto Rico · Rwanda · Saint Barthélemy · Saint Kitts and Nevis · Saint Lucia · Saint Vincent and the Grenadines · Senegal · Sierra Leone (vagrant) · Somalia (vagrant) · South Africa · South Sudan · Spain (vagrant) · Sri Lanka (vagrant) · Sudan · Suriname · Tanzania, United Republic of · Togo · Trinidad and Tobago · Turks and Caicos Islands · Uganda · United States of America · Uruguay · Venezuela, Bolivarian Republic of · Virgin Islands, British (vagrant) · Virgin Islands, U.S. (vagrant) · Yemen (vagrant) · Zambia · Zimbabwe ·
forrás: IUCN 2025. IUCN Red List of Threatened Species. Version 2025-1 <www.iucnredlist.org>
értékeléi adatok: |

Anseriformes
Ducks, geese and swans

védelmi státusz

  • CITES
    nincs listázva
  • Regulation (EG) Nr. 865/2006
    nincs listázva
  • Német Szövetségi Természetvédelmi Törvény §44
    védett