Day four of The Biggest Twitch and sadly we can only report one new species for the list – Brown Pelican. Today we left Tucson pre-dawn and flew to Houston, Texas and then from there on to Mexico. Michael Retter met up with us in Houston and he is coming with us on this leg. We have known Michael a good while and he is an experienced birder in Mexico so once we get out in the field we should really boost the list.
We arrived in Cancun late pm and by the time we had sorted the hire car and driven to Playa del Carmen it was dark, the Brown Pelicans flew along the coast earlier. Internet access becoming patchy down here so do bear with us.  But we've since nailed the Cozumel endemics: Vireo and Wren