H7N9 may also spread beyond China's borders, either through the poultry trade or
through migratory birds.
Not exact matches
Through our work in agriculture, forestry and tourism, we're helping to conserve habitat for both
migratory and nonmigratory
birds.
This program will reduce energy and help save
migratory birds passing
through the city during the annual spring and fall migration seasons.
Some
birds are especially adept: Scientists at the College of William & Mary Center for Conservation Biology tracked a
migratory shorebird, a whimbrel, as it flew
through Hurricane Irene in 2011.
Tracing back
through time and examining common ancestors of
migratory and non-
migratory species, they were able to conclude that there was more evidence supporting the idea that
birds lived year - round in North America and began migrating further and further south, resulting in today's
birds migrating thousands of miles every year.