menu
country filter
United Arab Emirates
Afghanistan
Albania
Armenia
Angola
Austria
Azerbaijan
Bosnia and Herzegovina
Bangladesh
Burkina Faso
Bulgaria
Bahrain
Burundi
Benin
Botswana
Belarus
Congo, The Democratic Republic of the
Central African Republic
Congo
Switzerland
Côte d'Ivoire
Cameroon
Cyprus
Czechia
Djibouti
Denmark
Algeria
Egypt
Western Sahara
Eritrea
Spain
Ethiopia
Finland
France
Gabon
Georgia
Ghana
Gambia
Guinea
Greece
Guinea-Bissau
Croatia
Hungary
Israel
India
Iraq
Iran, Islamic Republic of
Jordan
Kenya
Kyrgyzstan
Kuwait
Kazakhstan
Lebanon
Sri Lanka
Latvia
Libya
Morocco
Montenegro
North Macedonia
Mali
Myanmar
Mauritania
Malta
Maldives
Malawi
Mozambique
Namibia
Niger
Nigeria
Netherlands
Norway
Oman
Pakistan
Poland
Palestine, State of
Portugal
Romania
Serbia
Russian Federation
Rwanda
Saudi Arabia
Sudan
Slovenia
Sierra Leone
Senegal
Somalia
South Sudan
Syrian Arab Republic
Eswatini
Chad
Togo
Turkmenistan
Tunisia
Türkiye
Tanzania, United Republic of
Ukraine
Uganda
Uzbekistan
Yemen
South Africa
Zambia
Zimbabwe
Belgium
Bhutan
China
Cabo Verde
Germany
Estonia
Faroe Islands
United Kingdom of Great Britain and Northern Ireland
Gibraltar
Equatorial Guinea
Ireland
Iceland
Italy
Comoros
Liechtenstein
Liberia
Lithuania
Luxembourg
Monaco
Moldova, Republic of
Mongolia
Nepal
Palau
Qatar
Seychelles
Sweden
Svalbard and Jan Mayen
Slovakia
San Marino
Tajikistan
Andorra
Brunei Darussalam
Hong Kong
Indonesia
Japan
Cambodia
Korea, Democratic People's Republic of
Korea, Republic of
Lao People's Democratic Republic
Lesotho
Northern Mariana Islands
Malaysia
Philippines
Thailand
Taiwan, Province of China
United States of America
Viet Nam
Antigua and Barbuda
Anguilla
Argentina
Australia
Aruba
Barbados
Saint Barthélemy
Bermuda
Bolivia, Plurinational State of
Bonaire, Sint Eustatius and Saba
Brazil
Bahamas
Belize
Canada
Chile
Colombia
Costa Rica
Cuba
Curaçao
Christmas Island
Dominica
Dominican Republic
Ecuador
Fiji
Falkland Islands (Malvinas)
Micronesia, Federated States of
Grenada
French Guiana
Greenland
Guadeloupe
South Georgia and the South Sandwich Islands
Guatemala
Guam
Guyana
Honduras
Haiti
Jamaica
Saint Kitts and Nevis
Cayman Islands
Saint Lucia
Saint Martin (French part)
Madagascar
Macao
Martinique
Montserrat
Mauritius
Mexico
New Caledonia
Nicaragua
Panama
Peru
Papua New Guinea
Saint Pierre and Miquelon
Puerto Rico
Paraguay
Solomon Islands
Singapore
Suriname
El Salvador
Sint Maarten (Dutch part)
Turks and Caicos Islands
Timor-Leste
Trinidad and Tobago
United States Minor Outlying Islands
Uruguay
Saint Vincent and the Grenadines
Venezuela, Bolivarian Republic of
Virgin Islands, British
Virgin Islands, U.S.
Vanuatu
Samoa
Mayotte
New Zealand
Réunion
Saint Helena, Ascension and Tristan da Cunha
Cocos (Keeling) Islands
British Indian Ocean Territory
Kiribati
Sao Tome and Principe
French Southern Territories
Antarctica
Marshall Islands
Niue
American Samoa
Cook Islands
Nauru
French Polynesia
Tonga
Wallis and Futuna
Tuvalu
Norfolk Island
Tokelau
Bouvet Island
Heard Island and McDonald Islands
Holy See (Vatican City State)
Pitcairn
Select Language
Deutsch
English
Français
日本語

Sialia
genus of Turdidae within Passeriformes

trivial name latin name name specimens
Western Bluebird
Sialia mexicana 		Sialia mexicana 3 3
Eastern Bluebird
Sialia sialis 		Sialia sialis 4 4

species comparison1)

1) According to Hartmann (2000a, 2000b and 2016)

Random specimens

Eastern Bluebird
Sialia sialis
Eastern Bluebird
Sialia sialis
Western Bluebird
Sialia mexicana
Western Bluebird
Sialia mexicana
Western Bluebird
Sialia mexicana
Eastern Bluebird
Sialia sialis
Eastern Bluebird
Sialia sialis