Watch and look for everything you can about the Migration before going, so you may develop info whether the birds are moving down or not. Scout, and I do mean scout, find the birds and then stop and ask for permission as politely as you can. the Oil industry is booming in places so watch out for the wells and trucks moving the oil around.
Saving the Poodles of America, one Alligator at a time!!
The early bird may get the worm, but the second mouse gets the cheese.
Everyone has a photographic memory; some just don't have film.