translate English to French: They seem very opportunistic and adept at finding and using many widely dispersed and annually variable small sites.
Ces oiseaux semblent Ãªtre trÃ¨s opportunistes et sont portÃ©s Ã tirer parti dâ€™un grand nombre de petits sites largement Ã©parpillÃ©s et changeant dâ€™une annÃ©e Ã lâ€™autre.