Swallows are small birds with dark, glossy-blue backs, red throats, pale underparts and long tail streamers.
# There are 84 recognized species of Swallow worldwide.
# A+Swallows like to nest in open-fronted buildings such as barns, stables and cowsheds.
# Swallows like to nest close to large domestic animals like cattle or horses.
# Most British Swallows try to rear 2 broods each summer and some succeed in raising 3.
# The male swallow arrives back first from migration, singing over his territory in the hope of attracting a mate. Females generally appear a week to a fortnight later.
# Male and female swallows are virtually identical in appearance .