In a meadow field where endangered birds are known to nest and raise their young, a council will put up fencing.
For the third year in a row, fencing will be installed in Lammas Field, close to Warwick Racecourse, to protect meadow pipits and skylarks.
The three-year trial period will be over when it goes up on February 20 and remains up until the end of August.
The bird populations on St Mary's Lands appeared to be recovering, according to Warwick District Council.
After the trial, the measures' efficacy will be examined, and the findings will be made public.
The installation of fencing around this area is having a positive impact, according to evaluations and sightings of these increasingly rare birds, said Councillor Judith Falp, who oversees safer communities, leisure, and the environment.
"In light of this, we believe that continuing the trial and preserving this habitat during the critical nesting season is a small price to pay if we see clear indications that the birds are beginning to return to this location to breed. ".

She thanked the general public, in particular dog owners, for "their continued understanding and support" as well as for all the encouraging comments regarding the project.
A public right of way, which has been mowed to indicate its route, has been taken into account in the area this year, according to the council.
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