Right now the Lower Rio Grande Valley is a corridor in full autumn motion. Mild nights in the upper 60s and mid-80s days, with scattered showers early in the week, keep birds moving south along the Central and Mississippi flyways as the peak of fall migration winds toward month’s end. Hummingbirds still crowd the flowers. Warblers and orioles drop into thickets and resacas to refuel. Shorebirds work the flats under soft light. Raptor flights continue—Swainson’s and others move through while Broad-winged numbers have largely peaked farther north. Monarchs of the Methuselah generation are at or near peak numbers across Texas, many already crossing into Mexico on the coastal and inland routes, feeding on late nectar while other butterflies build their fall presence. This narrow strip near Brownsville is where the flyways converge and the landscape still feeds the travelers. The migration is not coming. It is here, and it is peaking.
This Week
.png "1st Edition Photo Look Book and Poetry B&W DigiScoping 2026")
.png "Summer 2026 DigiScoping Magazine")
Featured Wildlife Photography and Videography Technique:
Swarovski + Nikon setup for impressive digiscoping photo capture results.
.jpg "Black-necked Stilt early morning beauty in nature")
.jpg "Green Jays like whole peanuts early light beauty in nature closeup")
Woodlands and wetlands along the Rio Grande and its old channels (resacas—oxbow lakes and sloughs). Typical trees include Texas ebony, anacua, cedar elm, Mexican ash, sugarberry, and remnant groves of native Sabal palmetto. These moist, subtropical corridors once formed extensive palm forests and bottomland habitat; they now exist as fragmented remnants that support many tropical birds (green jay, chachalaca, great kiskadee) and serve as migration stopovers. Reduced river flow has made these forests harder to sustain.
September 26 | On Bird Safari morning photo shoot Riparian Resaca Fish Hatchery Ponds in Brownsville
Ecosystem 1: Riparian resacas — river woods and tropical birds
.jpg "Green Jay beauty in nature closeup in wooded habitat")
Salt and brackish marshes, wind-tidal flats, clay dunes (lomas), barrier-island grasslands, and seagrass meadows of the hypersaline Laguna Madre and associated bays (South Bay, Bahia Grande). These habitats mix freshwater inputs from the river delta with Gulf and lagoon influences. They support shorebirds, waterfowl, and unique plant communities adapted to salinity and wind-driven flooding rather than regular tides. Brownsville’s location at the river mouth makes this coastal suite especially prominent.
.jpg "Brown Pelicans on Bahia Lagoon wood piling in the early morning B&W")
.jpg "Great Blue Heron waking from overnight roost Bahia Lagoon sun rising")
.jpg "American Oystercatcher on the Bahia Lagoon in sunrise silhouette")
.jpg "Willet bathing on the Bahia Lagoon in sunrise silhouette")
.jpg "Great Blue Heron on Bahia Lagoon wood piling waking to the morning")
September 10, 2026 | On Bird Safari filming at sunrise on the shorelines of the Bahia Grande Lagoon tidal mud flats. Coffee in my Yeti!
.jpg "Great Blue Heron big stretch Bahia Lagoon sun rising morning light")
.jpg "Brown Pelicans synchronized preening perched on pilings in the Bahia")
.jpg "Roseate Spoonbill and Snowy Egret on the Bahia Lagoon tidal flat dawn")
Ecosystem 2: Bahia Grande and Laguna Madre — shorebirds and tidal flats
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