translate English to French: In the U.S., Mourning Dove populations are monitored through the Mourning Dove Call-count Survey, which has been developed to provide an annual index to population size during the breeding season (Dolton et al.
Aux Ã‰tats-Unis, on effectue le suivi des populations de Tourterelles tristes grÃ¢ce au Mourning Dove Call-count Survey (relevÃ© de la Tourterelle triste par le dÃ©nombrement des chants), qui a Ã©tÃ© Ã©laborÃ© afin de fournir un indice annuel de la taille de la population pendant la saison de reproduction (Dolton et al., 2007).