The rarest bird in this guide is also one of the easiest to see. It stands five feet tall, it is bright white, and it spends the winter walking around a Texas salt marsh eating blue crabs in plain view. You do not need to be good at birding to find a Whooping Crane at Aransas National Wildlife Refuge. You need to be there between November and March and look at the marsh.
The cranes are the headline, but they are not the reason the Coastal Bend, the curve of the Texas coast from Corpus Christi up to Port O'Connor, is one of the best birding regions in the country. Its position is. This is where the Central Flyway meets the Gulf of Mexico, and where the birds of the eastern United States overlap with birds of South Texas and Mexico. eBird lists 483 species for Nueces County and 431 for Aransas County, which is more than most states manage.
This guide covers three places that show three different sides of it: Aransas National Wildlife Refuge, winter home of the last wild flock of Whooping Cranes; the Leonabelle Turnbull Birding Center in Port Aransas, a free boardwalk over a marsh that has had more eBird checklists than almost anywhere in Texas; and Hazel Bazemore Park outside Corpus Christi, where some autumns more than a million hawks pass over a single hill.
Why the Texas Coastal Bend Is a World-Class Birding Region
Look at a map of North America and follow the migration routes south. Birds coming down the middle of the continent have two choices when they reach the Gulf: fly straight across 500-plus miles of open water, or follow the coastline around it. The ones that take the long way funnel along the Texas coast, and the Coastal Bend is where that funnel is narrowest. Soaring hawks in particular will not cross water, so they pile up against the coast and run south along it by the hundreds of thousands.
The habitat helps. In a single morning you can bird barrier island beaches, tidal flats, salt marsh, freshwater ponds, live oak mottes, coastal prairie, and South Texas brush. Each one holds a different set of birds, and they sit closer together here than almost anywhere else on the Gulf.
Then there is the southern edge. The Coastal Bend is close enough to Mexico that birds you cannot see in most of the United States are routine: Green Jay, Great Kiskadee, Long-billed Thrasher, White-tailed Hawk, and Buff-bellied Hummingbird. Pair those with wintering ducks, sandpipers from the Arctic, and warblers on their way to Central America, and the October lists below start to make sense.
If you have read the Texas Hill Country guide, this is the other half of the state: about three hours south and east, and almost entirely different birds.
When to Go: Texas Coastal Bend Birding by Season
🌸 Spring (Mar–May)
Spring migration hits the coast hard from late March through early May. After a north wind, migrants that just crossed the Gulf drop into any patch of trees on Mustang Island and in Port Aransas. The Whooping Cranes leave for Canada in March and April, and the Whooping Crane Festival in Port Aransas each February is the send-off.
☀️ Summer (Jun–Aug)
Hot, humid, and buggy, but the wading bird colonies are busy. Roseate Spoonbills, Reddish Egrets, Least Terns, and Black Skimmers nest on the bay islands. Mississippi Kites start streaming over Hazel Bazemore in August, when HawkWatch International begins its count.
🍂 Fall (Sep–Nov)
The best season for variety. Broad-winged Hawks peak at Hazel Bazemore in late September, often in the tens of thousands a day. October brings warblers, shorebirds, the first ducks, and the first Whooping Cranes at Aransas. Weather is finally pleasant again by mid October.
❄️ Winter (Dec–Feb)
Whooping Crane season. The whole flock is on the coast by December, along with Sandhill Cranes, huge numbers of ducks and geese, wintering sparrows, and American White Pelicans. Mild weather makes this the easiest time of year to spend a full day outdoors on the coast.
Trail 1: Rail Trail and Heron Flats Trail at Aransas National Wildlife Refuge
Tidal flats, freshwater sloughs, shell ridges, and live oaks in a mile and a half of flat walking, with two observation platforms and spotting scopes over the salt marsh. 298 species on eBird, and a real chance at a Whooping Crane family feeding in the flats.
This is the trip. Everything else on the Coastal Bend is excellent birding; this is the place you tell people about afterward.
Aransas National Wildlife Refuge sits on the Blackjack Peninsula between San Antonio Bay and St. Charles Bay, and it is the winter home of the only wild, self-sustaining flock of Whooping Cranes left on Earth. Each spring they fly about 2,500 miles to nest in Wood Buffalo National Park in Canada, and each fall they come back to these marshes. The U.S. Fish and Wildlife Service estimated that about 540 cranes wintered here in 2025 to 2026, including at least 57 juveniles, against 557 the year before. When the species was listed as endangered in 1967, about 50 remained. The population has grown an average of 4.24 percent a year since 1938, and it has been above 500 for more than nine years running.
An adult Whooping Crane eating a blue crab at Aransas. Blue crabs are the main winter food, which is why the cranes stay in the salt marsh and why a dry year that makes the bays too salty for crabs is bad news for them. Photo: Kevin Sims / Public Domain, via USFWS
The walk to do is the combination AllTrails lists as Heron Flats Trail: 1.5 miles out and back, flat, rated 4.3/5 across 95 reviews. On the refuge's own map it is two trails. The Rail Trail (1.22 miles) crosses freshwater sloughs, shell ridges, oak woods, and tidal flats, with two observation platforms equipped with spotting scopes. The refuge notes that if you are lucky you might see a Whooping Crane family feeding in the marshy salt flats from here. At the end is the Heron Flats loop, a short 0.14-mile walk through the oaks where songbirds collect in migration.
The Heron Flats hotspot (L1415138) has 298 species across 2,329 checklists, and its all-time October list has 115 species. Whooping Crane and Sandhill Crane are both on it, along with Reddish Egret, Roseate Spoonbill, Clapper Rail, Long-billed Curlew, Crested Caracara, Green Kingfisher, Vermilion Flycatcher, Great Kiskadee, Long-billed Thrasher, and Sedge Wren, which eBird lists as the hotspot's iconic bird for October. That last one is a small brown bird that hides in the grass, so the cranes are more forgiving.
Then drive the tour loop. The refuge's 16-mile paved auto tour (25 mph) is how most people find cranes, and the loop goes one-way at the observation tower. Near the Big Tree Trail there are two towers, 20 and 40 feet tall, both reached by gentle ramps, with views over San Antonio Bay and Mustang Lake. The Wildlife Tower hotspot (L1021344) on the Calhoun County side has 300 species of its own. Bring a scope if you have one. Cranes are often a few hundred yards out in the marsh, and through binoculars a crane family is a white dot with a rusty dot next to it, which the juvenile is.
Practical notes: Aransas National Wildlife Refuge is at 1 Wildlife Circle, Austwell, TX 77950, phone (361) 349-1181. The daily fee is $3 for one adult in a vehicle, $5 for two or more adults, free for anyone 17 and under; pay at the visitor center or on Recreation.gov. An Aransas annual pass is $15, and federal Annual and Senior passes work. The auto tour and trails are open sunrise to sunset, and the gates lock 30 minutes after sunset, a rule the refuge says is strictly enforced. The visitor center is open Tuesday through Saturday, 9am to 4pm. Alligators and venomous snakes live here: pets must stay on a 4 to 6 foot leash and should not go in or near the water. Austwell is remote, so bring food and fill the tank in Rockport or Port Lavaca.
Best months: December through February for Whooping Cranes (the first arrive in late October); October and April for migrants
Trail 2: Leonabelle Turnbull Birding Center Boardwalk in Port Aransas
A free boardwalk over a freshwater marsh in the middle of a beach town, with two shaded towers and 351 species on eBird. The birds are close, the walk is short, and on October checklists it has produced more than 260 species.
This is the opposite of Aransas. No fee, no long drive, no hiking: you park in a small lot next to the town's water treatment plant and walk out onto a boardwalk. Within five minutes you are looking at more birds than you can identify.
The marsh is fed by the Nueces County Water District treatment plant next door, which keeps it full of fresh water on a barrier island where fresh water is otherwise scarce. Birds come from all over Mustang Island to use it. The boardwalk runs about 1,200 feet out over the open water to two shaded observation towers, one reached by a ramp and one by stairs. Port Aransas lists the boardwalk at 1,250 feet on one page and 1,200 on another; the birds have not weighed in.
A Roseate Spoonbill. They feed by sweeping that bill side to side through shallow water, and at the Turnbull marsh they often do it right below the boardwalk. Photo: Keenan Adams / Public Domain, via USFWS
The numbers here are big. The Leonabelle Turnbull hotspot (L422541) has 351 species across 23,577 checklists, the second-highest species total in Nueces County, and more checklists than any other hotspot in this guide by a wide margin. All those birders mean the all-time October list runs past 260 species.
What to expect in October: the wading birds first, because you cannot miss them. Roseate Spoonbill, White Ibis, White-faced Ibis, Tricolored Heron, and Reddish Egret are routine, often close enough to fill a phone camera. Look for Least Grebe, a tiny South Texas specialty, on the open water, and Purple Gallinule and Mottled Duck along the edges. The shorebird list on the mudflats is long, with Piping Plover, Snowy Plover, Wilson's Plover, Marbled Godwit, Stilt Sandpiper, and Wilson's Phalarope all on the October list.
The surprise is the warbler list. There are 35 warbler species on the October list, including Golden-winged, Swainson's, Kentucky, and Tropical Parula, which turn up in the shrubs along the edges of the marsh. At least one October checklist even has an American Flamingo, which is not a bird you plan a trip around but is a fine thing to have on a list.
Make it longer: the birding center is part of the Port Aransas Nature Preserve. It is about 0.75 miles from the parking area to the South Trail observation tower, and a 1.5-mile trail continues to the Charlie's Pasture south parking area. Charlie's Pasture covers 1,280 acres of prairie, tidal flats, and marsh, and its own eBird hotspot (L793778) has 314 species. In spring, also stop at Holt Paradise Pond (322 species), a tiny wooded pond in town that becomes a migrant trap after a north wind.
Practical notes: The Leonabelle Turnbull Birding Center is at 1356 Ross Avenue, Port Aransas, TX 78373, near the Port Aransas Community Park. Free, open daily sunrise to sunset. A free naturalist-led walk, Birding on the Boardwalk, meets every Wednesday at 9am, and binoculars are available to borrow. Port Aransas is on the north end of Mustang Island. From Corpus Christi, drive across the JFK Causeway and up Mustang Island; from Rockport and Aransas Pass, take the free state ferry across the channel.
Best months: October through April for wading birds, shorebirds, and ducks; April and October for migrant warblers
Trail 3: Hazel Bazemore Park Loop and Hawk Watch, Corpus Christi
A county park on the Nueces River with one of the biggest hawk flights in the United States overhead and South Texas brush birds underfoot. 354 species on eBird, the top hotspot in Nueces County, and 25 diurnal raptor species on its October list alone.
If the Hawk Mountain guide is about counting hawks by the thousand, this one is about counting them by the hundred thousand.
Every fall, soaring hawks from most of eastern North America funnel down toward the narrow strip of land between the Gulf of Mexico and the Sierra Madre in Mexico, and the hill at Hazel Bazemore Park sits right under that funnel. Volunteers counted here until 1997, when HawkWatch International took over the count. That first year the count passed 841,000 migrants, then the largest ever recorded in the U.S. and Canada. The next year it reached 992,950. In 2004 it passed a million, the first site-specific count in North America outside Mexico to do it. Annual counts have ranged from about 445,000 to more than 1,000,000, and up to 30 raptor species have been documented.
A Broad-winged Hawk. They make up 88 to 98 percent of the Hazel Bazemore count every fall, nearly all of it in a few weeks around the end of September. Photo: USFWS / Public Domain, via USFWS
Most of that is Broad-winged Hawk: between 88 and 98 percent of the total every year. In 2023 the counters logged 95,012 on September 26 and 226,627 on September 27, more than 300,000 birds in two days. That same season set an all-time high for Mississippi Kite, 68,861 by October 3, including 28,103 on August 28 alone.
By October the Broad-wing flood has mostly passed, and the flight gets more varied instead. The Hazel Bazemore hotspot (L302786) has 354 species across 10,489 checklists, and its all-time October list has 25 hawk, eagle, kite, and falcon species. That includes the South Texas and western birds that make this count different from any eastern hawk watch: White-tailed Hawk, Harris's Hawk, Gray Hawk, Zone-tailed Hawk, Short-tailed Hawk, Swainson's Hawk, White-tailed Kite, Ferruginous Hawk, Aplomado Falcon, and Prairie Falcon. The separate hawk watch platform hotspot (L1879333) has 320 species of its own.
Walk the loop between kettles. The Hazel Bazemore Park Loop on AllTrails is a 2.3-mile loop with 127 feet of gain, rated 4.0/5 across 75 reviews, on paved paths and several elevated boardwalks over the wooded ponds and river bottom. This is where the park's other birds are, and they are the reason a lot of people come back in winter: Green Jay, Audubon's Oriole, Olive Sparrow, Ringed Kingfisher, White-tipped Dove, Black-crested Titmouse, Long-billed Thrasher, and Great Kiskadee are all on the October list. So are Clay-colored Thrush and Groove-billed Ani, two birds that most of the country never gets.
Practical notes: Hazel Bazemore County Park is at 4343 County Road 69, Corpus Christi, TX 78410, about 17 miles west of downtown near Calallen, on the south bank of the Nueces River. From US 77, take FM 624 west about a mile, turn right on County Road 69 at the light, and follow the park road past the restrooms and picnic pavilion to the top of the hill, where the counters set up. The count runs daily from August 1 to November 15, 9am to 5pm, weather permitting. No camping in the park. Groups of more than six should register with HawkWatch International ahead of time. HawkWatch holds a free festival here, the Celebration of Flight, in late September.
Best months: Late September for the Broad-winged Hawk flight; August for Mississippi Kites; October for raptor variety; November through March for South Texas brush birds
Signature Species of the Texas Coastal Bend
🦜 Birds Worth Planning Around
Planning Your Trip
Getting there: Corpus Christi International Airport (CRP) is the closest airport to all three sites. San Antonio is about two and a half hours away by car and Houston about three and a half, so the region also works as a long-weekend drive. Hazel Bazemore is on the west side of Corpus Christi, Port Aransas is about an hour east, and Aransas National Wildlife Refuge is roughly an hour and a half northeast of Port Aransas by way of the ferry and Rockport.
A realistic two-day plan (October): Spend the first morning at Hazel Bazemore, arriving when the count starts at 9am, and walk the loop when the flight slows. Drive to Port Aransas for the late afternoon at the Turnbull boardwalk, when the light is behind you and the waders are active. On day two, take the early ferry and drive through Rockport to Aransas NWR, walk the Rail Trail and Heron Flats while it is cool, then drive the tour loop and climb the 40-foot tower. In winter, swap Hazel Bazemore's hawk count for its brush birds, and give Aransas a full day.
Seeing Whooping Cranes from the water: Several operators in Fulton (next to Rockport) and Port Aransas run boat tours along the edge of the refuge marshes in winter, which usually gets you much closer to cranes than the land side does. If seeing a Whooping Crane is the point of the trip, it is the most reliable way to do it. The guide section below lists two crane boats.
Weather and timing: October through April is the comfortable season. Summer heat and humidity on the coast are serious, and hurricane season runs June through November, so watch the forecast for a fall trip. Mornings are best for activity everywhere except the hawk watch, where the flight usually builds from mid morning as the thermals form.
What to bring: Binoculars, and a spotting scope if you have one for the cranes at Aransas. Insect repellent in any month (the salt marsh mosquitoes do not take winter off as reliably as you would hope), sunscreen, a hat, and water. There is little shade on the hawk watch hill or the Aransas tidal flats.
eBird resources: Nueces County (US-TX-355), Aransas County (US-TX-007), and Calhoun County (US-TX-057) cover the three sites. Targeted hotspots: Aransas NWR Heron Flats Trail (L1415138), Aransas NWR (L130767) at 369 species, Aransas NWR Wildlife Tower (L1021344), Leonabelle Turnbull Birding Center (L422541), Port Aransas Nature Preserve at Charlie's Pasture (L793778), Hazel Bazemore Park (L302786), and Hazel Bazemore Hawkwatch Platform (L1879333). Nearby, Goose Island State Park (L273461) at 361 species is worth a stop between Rockport and the refuge.
Other guides: For the ridge-top version of fall hawk migration, see the Hawk Mountain guide. For Roseate Spoonbills and Reddish Egrets on the other side of the Gulf, see the Florida Everglades guide. For Golden-cheeked Warblers and Black-capped Vireos three hours inland, see the Texas Hill Country guide.
How to find a Whooping Crane: Look for white, then look for size. Great Egrets, white pelicans, and white-morph Reddish Egrets are all white, but a Whooping Crane is taller than all of them and walks slowly with its head up. Scan the far edges of the salt marsh from the towers and the Rail Trail platforms, and look for two adults with a smaller, rust-and-white bird between them: families stay together all winter and defend a territory, so once you find one, it will usually still be there tomorrow.
Hiring a Local Birding Guide on the Texas Coastal Bend
For Whooping Cranes, a boat is the best bet. The cranes feed in marshes the refuge roads do not reach, and a shallow-draft boat can get you much closer than the observation towers can. Crane boats run while the cranes are here, roughly November through March.
On land, a guide is most useful for the South Texas birds that are easy to walk past, and for knowing which pond or motte is holding birds this week. There is no permit directory for guides here like the one the National Park Service keeps for the Everglades, so for boat trips, ask whether the captain holds a U.S. Coast Guard license.
This featured spot is open
The top slot in this section: a larger card with your own description, a clearly marked link, and first position above the free listings. Email Dave for details.
Free listings
- Rockport Birding & Kayak AdventuresAransas NWR by boat, from Fulton
Captain Tommy Moore has run Whooping Crane tours on the Skimmer since 2003. It is a scheduled three-hour trip along the refuge marshes, the easiest way to book a crane boat, and the reviews are consistently excellent.
Visit website - Aransas Bay Birding ChartersAransas NWR and Aransas Bay by boat, from Rockport
Small boats built for photography, with an enclosed cabin and raised platforms, on four to six hour trips. Captain Kevin Sims also took the Whooping Crane photo in this guide.
Visit website - McIntyre Birding ToursCorpus Christi, Rockport, and the Coastal Bend on land, plus pelagic trips
Private land-based guiding from Jon McIntyre, who has done a 524-species Texas big year and a 355-species Nueces County big year. Good for chasing South Texas specialties at your own pace.
Visit website
Free listings are my own picks. No one paid to be listed.
FAQ: Texas Gulf Coast Birding
When is the best time to see Whooping Cranes in Texas?
The cranes spend the winter on the Texas coast around Aransas National Wildlife Refuge. The first families usually arrive in late October, most of the flock is in place by December, and they head north to Wood Buffalo National Park in Canada in March and April. December through February is the most reliable window.
How many Whooping Cranes are left?
The U.S. Fish and Wildlife Service estimated that about 540 Whooping Cranes, including at least 57 juveniles, wintered in the primary survey area around Aransas National Wildlife Refuge in 2025 to 2026, against 557 the year before. The species was listed as endangered in 1967, when about 50 birds remained.
How much does it cost to visit Aransas National Wildlife Refuge?
The daily entrance fee is $3 for one adult in a vehicle or $5 for two or more adults, and anyone 17 or under is free. An Aransas annual pass is $15, and federal Annual and Senior passes are accepted. The auto tour and trails are open sunrise to sunset, and the gates lock 30 minutes after sunset.
Is the Leonabelle Turnbull Birding Center free?
Yes. The birding center at 1356 Ross Avenue in Port Aransas is free and open daily from sunrise to sunset. It has a boardwalk of about 1,200 feet over a freshwater marsh and two shaded observation towers, one of them reached by a ramp. A free naturalist-led walk runs every Wednesday at 9am.
When is the Hazel Bazemore hawk watch?
HawkWatch International counts daily from August 1 to November 15, from 9am to 5pm, weather permitting. The Broad-winged Hawk flight peaks in late September, and the site has logged single days of more than 200,000 of them. Annual counts have ranged from about 445,000 to more than a million raptors.
Where is the best birding near Corpus Christi?
Nueces County has 483 species on eBird. The two highest-ranked hotspots are Hazel Bazemore Park, about 17 miles west of downtown on the Nueces River, at 354 species, and the Leonabelle Turnbull Birding Center in Port Aransas at 351. Aransas National Wildlife Refuge, about 70 miles northeast, is the place for Whooping Cranes.
Photo Credits
- Hero image: Two Whooping Cranes at Aransas National Wildlife Refuge. Photo by Mike Croyle/USFWS. Public Domain.
- Inline image 1: Whooping Crane eating a blue crab at Aransas National Wildlife Refuge. Photo by Kevin Sims/USFWS. Public Domain.
- Inline image 2: Roseate Spoonbill. Photo by Keenan Adams/USFWS. Public Domain.
- Inline image 3: Broad-winged Hawk. Photo by USFWS. Public Domain.