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Pelecaniformes
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35. Pelecaniformes Spoonbills
The family Threskiornithidae includes 34 species of large wading birds. The
family has been traditionally classified into two subfamilies, the ibises and
the spoonbills.
Members of the family have long, broad wings with 11 primary feathers and about
20 secondaries. They are strong fliers and, rather surprisingly, given their
size and weight, very capable soarers. The body tends to be elongated, the neck
more so, with rather long legs. The bill is also long, decurved in the case of
the ibises, straight and distinctively flattened in the spoonbills. They are
large birds, but mid-sized by the standards of their order, ranging from the
dwarf olive ibis (Bostrychia bocagei), at 45 cm (18 in) and 450 g (1 lb), to
the giant ibis (Thaumatibis gigantea), at 100 cm (40 in) and 4.2 kg (9.2
lb).
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