Spanish to English Science Zoology

From a document detailing environmental compensatory measures to be implemented as the result of the effects generated by the construction of a power generation plant.

They're talking about reinforcing the population of a particular species of bird by building structures into which hatchlings bred in captivity will be placed.

Colocación de *parejas de reclamo*:

En el interior del primillar se instala una jaula con parejas de Cernícalo primilla troqueladas que actuarán de reclamo.

I've found plenty of references to mating pairs claiming nests, but I don't find a technical term for "pareja de reclamo".

I've come up with "nest-claiming pair", but I'm wondering if there isn't an "official" term.

TIA