HBW Alive provides full accounts for every bird species known to science up to June 2013, including distribution maps and color illustrations. Check out these recently updated species or search the species you want.

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Rufous Fantail (Rhipidura rufifrons)


Muscicapa rufifrons

Latham, 1801, Sydney, New South Wales, Australia.

Hitherto considered to include R. melanolaema and usually R. kubaryi (see both, below). Often considered conspecific with R. semirubra...

Descriptive notes: 15·5–17·5 cm; 8–13·5 g. Nominate race has forehead rufous, crown, face, nape and mantle dull grey-brown, shading to rufous on lower back, rump and uppertail-coverts; upperwing grey-brown; tail rufous...
figure, drawing, illustration of Rufous Fantail (Rhipidura rufifrons)

Black-and-chestnut Eagle (Spizaetus isidori)


Falco Isidori

Des Murs, 1845, Bogotá, Colombia.

Previously placed in monotypic genus Oroaetus, but recent phylogenetic study found this species to be nested among the New World Spizaetus...

Descriptive notes: 60–80 cm, wingspan 144–166 cm. Large, stocky eagle with relatively short tail but long wings. Head, crest, neck and upperparts black, below chestnut streaked with black; thighs black, feathered tarsi chestnut; tail...
figure, drawing, illustration of Black-and-chestnut Eagle (Spizaetus isidori)

Little Bustard (Tetrax tetrax)


Otis Tetrax

Linnaeus, 1758, France.

DNA sequences suggest close phylogenetic relationship to the Little Brown Bustard (Heterotetrax humilis)...

Descriptive notes: Male 43–45 cm, 794–975 g; female 40–43 cm, 680–945 g; wingspan 105–115 cm. Breeding male has streaked brown crown, blue-grey face shading to black on neck and breast, with broad white V across foreneck and broad...
figure, drawing, illustration of Little Bustard (Tetrax tetrax)

Black-necked Crane (Grus nigricollis)


Grus nigricollis

Przevalski, 1876, Qinghai Province, China.

MtDNA analyses indicate that this species and G. monacha are each other’s closest relatives#R....

Descriptive notes: c. 115 cm; 5000–7000 g; wingspan 180–200 cm. The only pale grey crane with black primaries and secondaries; black neck and tail distinctive; iris yellow. Juvenile plumage greyish yellow; neck mixed black and white.
figure, drawing, illustration of Black-necked Crane (Grus nigricollis)

Snowy Owl (Bubo scandiacus)


Strix scandiaca

Linnaeus, 1758, Lapland, north Finland.

Previously placed in monotypic genus Nyctea, primarily on basis of skull characters; recent genetic study, however, indicated that it is part of...

Descriptive notes: Male 53–64 cm, 710–2500 g; female 59–66 cm, 780–2950 g; wingspan 125–166 cm. Large white owl with small eyes, rudimentary ear tufts normally not erect. Male almost entirely white, sometimes with narrow...
figure, drawing, illustration of Snowy Owl (Bubo scandiacus)