Question

Its grey front stood out well from the background of a rookery, whose cawing tenants were now on the wing: they flew over the lawn and grounds to alight in a great meadow, from which these were separated by a sunk fence, and where an array of mighty old thorn trees, strong, knotty, and broad as oaks, at once explained the etymology of the mansion's designation.

Accepted Answer

En aquellos almenares habitaban innumerables cornejas, que en este momento volaban en bandadas. El terreno inmediato a la casa estaba separado de los prados cercanos por un seto sobre el que destacaban grandes arbustos espinosos, fuertes, nudosos y duros como robles.

Back	Its grey front stood out well from the background of a rookery, whose cawing tenants were now on the wing: they flew over the lawn and grounds to alight in a great meadow, from which these were separated by a sunk fence, and where an array of mighty old thorn trees, strong, knotty, and broad as oaks, at once explained the etymology of the mansion's designation.
Front	En aquellos almenares habitaban innumerables cornejas, que en este momento volaban en bandadas. El terreno inmediato a la casa estaba separado de los prados cercanos por un seto sobre el que destacaban grandes arbustos espinosos, fuertes, nudosos y duros como robles.

En El Grey Front Stood Background Rookery Cawing