 Kentucky Warbler, Big Thicket Happy Fall! It has been a busy summer, and the blog has been quiet, but now is the time for me to catch up by completing the last two posts for the Texas Coast followed by more on Mt Lemmon! The first three Texas coast posts covered the Smith Oaks Rookery at High Island, a Reddish Egret dancing for his lunch on Galveston Bay, and the Anahuac National Wildlife Refuge. Today we are going to the Big Thicket, then south back to High Island and Boy Scout woods. Part V (coming soon) will take us on the ferry from Bolivar Peninsula to Galveston, and then to Brazos Bend State Park. Prairie Warbler Just north of Big Thicket National Preserve (BITH) is the Angelina National Forest where we spotted this Prairie Warbler on a branch. Prairie Warblers winter in coastal Central America, southern Florida, Cuba and the Caribbean, and breed in the eastern U.S. as far north as Massachusetts. Both winter and summer they favor regenerating forests and dunes and shrubby old fields. [Ref: Birds of North America, Cornell Lab of Ornithology].   These images were captured early in the morning in very low light with overcast skies, at some distance, accounting for the soft quality. Kentucky Warbler South of the Angelina National Forest we entered the Big Thicket, and the Big Thicket National Preserve. The Big Thicket is a large area of very dense forest, considered one of the most biodiverse areas in the world outside of the tropics. The preserve was established in 1974 to protect the many plant and animal species within. The original area covered more than 2 million acres in east Texas. The map below shows the boundaries as defined by the Spanish settlers before the Texas Revolution (1835). The area has a rich and colorful history. Its dense and almost impenetrable center became the preferred place "to disappear" beginning with confederate deserters during the Civil War. Before deforestation, it was said to be so dense that sections could only be accessed by crawling in on hands and knees. It was said that "if a snake crawls in, it has to back out."  Historical limits of the Big Thicket prior to the Texas Revolution in 1835. Ref: Wikipedia. This Kentucky Warbler was spotted at some distance from the trail, above the understory and in good light. Kentucky Warblers are ground-nesting birds, generally staying low in the understory, heard more often than seen. However, this is spring, when males take to the heights and sing motionless for 5-15 minute sets. They winter in Central America, breeding in the eastern U.S. This bird is likely in migration, heading to Missouri or Illinois. [Ref: Birds of North America, Cornell Lab of Ornithology]      Yellow-breasted Chat The Yellow-breasted Chat winters in Central America and coastal Mexico, migrating north to breed from California to the eastern seaboard. This chat favors low, dense vegetation without a closed tree canopy, including shrubby habitat along streams, swamps, and ponds. Richard Taylor's field guide Birds of Southeastern Arizona lists the Yellow-breasted Chat as a summer resident in SE Arizona below 5000 feet. It prefers dense brushy areas, which combined with its secretive nature, make it hard to spot. Here we see what is likely a male singing his heart out on a pine branch. The Yellow-breasted Chat was previously placed in the family Parulidae, but in 2017, was elevated to its own family, Icteriidae (Chesser et al. 2017). [Ref: Birds of North America, Cornell Lab of Ornithology]    For the photo geeks out there, again, early morning, low light, milky sky. Whooping Cranes! OMG, a pair of Whooping Cranes! On the way to High Island, our guide Bob Behrstock followed up on a report of two Whooping Cranes in a nearby agricultural field. Here they are, likely a male and a female, with radio transmitters on their legs, one transmitter on the right (maybe the male) and one on on the left.  The Whooping Crane has become a symbol of national and international efforts to recover endangered species, returning from the brink of extinction, but remaining at risk. In 1941, the species reached a low of 15 or 16 migratory individuals wintering in Texas and 6 non-migratory birds in Louisiana. Even with intense management efforts, the Whooping Crane remains one of the rarest birds in North America, and on the Endangered Species list. It remains ecologically dependent on inland freshwater wetlands and, in winter, on coastal brackish wetlands. These birds may be part of a year round population that lives in Louisiana who decided to forage a bit west of home, or they may be on their way back to their breeding ground in Canada from wintering ground further south on the Texas coast. Both birds have radio transmitters on their legs, detail below.    Whooping Cranes are in the same family as Sandhill Cranes, who are regular winter residents of SE Arizona and New Mexico. See my posts from White Water Draw and Bosque del Apache. Reference: Birds of North America, Cornell Lab of Ornithology. Blue Grosbeak On the way to High Island, just south of Winnie, we spotted a Blue Grosbeak, a large bunting often seen singing from roadside wires and tree tops. The Blue Grosbeak is in the family Cardinalidae along with other Grosbeaks, Tanager’s, the Northern Cardinal, the Pyrrhuloxia, other buntings and the Dickcissel. It feeds on insects, especially grasshoppers and crickets, as well as the seeds of wild and cultivated grains. They nest in shrubs or tangles of vines along the forest edge or roadside. This bird is likely in migration to the southern U.S. from wintering grounds in southern Mexico and Central America, making the trek across the Caribbean and the Gulf of Mexico.  Indigo Bunting Arriving on High Island we spot an Indigo Bunting sitting on a wire by the side of the road. The Indigo Bunting is another member of the Cardinalidae family. This small bunting winters in Mexico and Central America, flying north to breed in the U.S., east of the great plains. This bird is likely in transit. Indigo Buntings live in shrubby areas and weedy fields. They eat seeds, berries and insects, and in migration, mainly seeds of grasses, as we can see in these images. Note that this male has grabbed the top of the grass with the seeds, along with the wire. Looks like corn on the cob.    Rose-breasted Grosbeak At High Island we found a Rose-breasted Grosbeak, another member of the Cardinalidae family, hopping in and around a mulberry tree, feasting on the fruit. They winter in Central and South America, and migrate long distances north to breed in the eastern and mid-United States and into Canada. This is definitely a migrant, stocking up on food after the long flight across the gulf.   Chuck-wills-widow Hiding out napping in a secluded spot in a tree, we found a Chuck-will's-widow, saving up his energy for an active evening of hunting insects. They hunt at dawn and dusk, flying low to the ground and catching insects, and an occasional bird. They will forage later into the evening under the light of a full moon. Their name comes from the continuous, repetitive song often heard at night. These birds live in the southeast U.S. wintering in Florida, Cuba, and Central America. Chuck-will's-widow is in the family of Nightjars and Allies, along with the Common Nighthawk (see last entry below), other Nighthawks and Nightjars, and the Eastern and Mexican Whip-poor-will. The family is in the Order Caprimulgiformes along with the Swift Family, and all the hummingbirds. There are big gaps in our knowledge of this species, especially about habitat and breeding success. Sounds like an opportunity for a graduate student who likes working at night!  I have to admit that to my eye these birds look like hamsters with wings! They are the biggest Nightjar in North America. Common Nighthawk My last offering from High Island, a Common Nighthawk perched on a wire. The Common Nighthawk winters in South America and breeds throughout the U.S. and Canada, giving this species one of the longest migration routes of any North American bird. This bird could be in migration or may be getting ready to nest. Common Nighthawks are often observed on the wing at dusk or dawn grabbing insects in both urban and rural areas. They nest on open ground, gravel beaches, rocky outcrops, and burned-over woodlands, as well as flat gravel roofs, especially in cities.  That's it for Part IV. Part V coming soon! Happy Trails!
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