FIELD KEY TO THE LAND BIRDS.
38
SWALLOWS. — Hinnidinidae.
— Very small, with mouth. Feet. — Small. Food. — Insects caught on the whig. Bill.
ii
large, cleft
These birds are generally seen on the wing, sparingly perching.
They migrate south
some species going
as far as
PURPLE MARTIN.
93.
in the winter,
Southern Brazil.
Progne
subis.
—
Length, 8 inches. Glossy blue-black. Female and young black above; brownish gray below; belly The Martin builds its nest on houses and white. barns, or in boxes hung in trees.
94.
CLIFF OR
chelidon lunifrons.
EAVE SWALLOW.
— Length,
Petro-
Steel blue 6 inches. side of head chestnut; a
above; forehead Avhite; gray-brown ring around the neck breast gray-brown Builds upper tail coverts red-brown. belly white under overhanging rocks, or the eaves of barns,
basket-like nests
95.
made
mud.
BARN SWALLOW.
— Length, 7 inches. nut
of
Chelidon erythrogaster.
Forehead and throat red-chestupper parts steel-blue black underparts white
