These are active nests that have been used to fledge young eagles in 1995, '96, '97, '98 and '99.
(These; are; active nests that have been used to fledge young eagles in 1995, '96, '97, '98 and '99) (active nests; have been used; to fledge young eagles in 1995, '96, '97, '98 and '99) (active nests; to fledge; young eagles; T:in 1995)
These active nests active nests
are have been used to fledge
active nests that have been used to fledge young eagles in 1995, '96, '97, '98 and '99
to fledge young eagles in 1995, '96, '97, '98 and '99
young eagles T:in 1995