 A duck and green algae on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Ducks on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator s head on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator s tail on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 American coots(?) on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator and green algae on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 American coot(?) birds on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Floating alligator s head on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 A duck in Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Water lettuce (Pistia stratiotes) on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Water bird common moorhen on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Bulbs of water hyacinth (Eichhornia crassipes) on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Family of alligatorson 40 Acre Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Baby alligators with their mother on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Alligator near 40 Acre Lake in Brazos Bend State Park. Needville, Texas, April 24, 2010
 40 Acre Lake in dry weather in Brazos Bend State Park. Needville, Texas, December 25, 2025
 White egrets on 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Various creeping plants near 40 Acre Lake in Brazos Bend State Park. Needville, Texas, December 25, 2025
 Snakebirds (Anhinga) on 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Dead leaf of lotus in 40 Acre Lake in Brazos Bend State Park. Needville, Texas, September 4, 2010
 Alligator on north side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Alligator with open mouth near 40 Acre Lake in Brazos Bend State Park. Needville, Texas, April 24, 2010
 Snakebird (Anhinga) drying its wings on 40 Acre Lake in Brazos Bend State Park. Needville, Texas, June 2, 2012
 Blooming buttonbush on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Fly on animal s dropping on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Baby alligators on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, April 22, 2008
 Whistling duck bird in Brazos Bend State Park. Needville, Texas, June 2, 2012
 Group of baby alligators on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, April 22, 2008
 Young alligator warming on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Marsh birds with a green bullfrog in background on 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Water Hyacinth (Eichhornia crassipes) in 40 Acre Lake from Spillway Trail in Brazos Bend State Park. Needville, Texas, December 25, 2025
 American coot(?) wetland birds on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, April 22, 2008
 Yellow-crowned night-heron in duckweed on north side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Pink flowers of Pyramid Flower (Melochia pyramidata) on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Yellow-crowned night-heron marsh bird on north side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Blooming buckwheat (eardrops) vine (Brunnichia ovata) on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Anhinga (Snakebird) water bird in 40 Acre Lake. After diving, they must perch in the sun with their wings spread to dry their feathers so they can fly efficiently again. Brazos Bend State Park, Needville, Texas, December 25, 2025
 Sida rhombifolia (Arrowleaf Sida) flower on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Red-eared Slider (Trachemys scripta elegans) semi-aquatic turtle (terrapin) on west side of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, April 22, 2008
 Sunning alligator from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator with closed eyes from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Back view of an alligator from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Common moorhen among algae from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 American coot(?) bird from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator floating among algae from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Head of a large alligator from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator s head on a lawn from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 American Alligator (Alligator mississippiensis) eating a basking turtle, most likely a Red-eared Slider or River Cooter in 40 Acre Lake in Brazos Bend State Park. Needville, Texas, December 25, 2025
 Thallus of liverwort Riccia fluitans (Floating Crystalwort) in its terrestrial (mud) form, or potentially the closely related Riccia stenophylla on a shore of 40 Acre Lake. While R. fluitans is famous as a floating aquatic plant, when it is stranded on mud (as water levels drop in lakes like 40 Acre Lake), it changes form significantly, becoming shorter, broader, and more anchored to the substrate. Brazos Bend State Park, Needville, Texas, December 25, 2025
 American coot(?) water bird from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Floating American coot(?) bird from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator s head and aquatic weeds from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Common moorhen marsh bird from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Common moorhen water bird from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Rough scales on alligator s back from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Riccia fluitans (Floating Crystalwort) in its terrestrial (mud) form, or potentially the closely related Riccia stenophylla on a shore of 40 Acre Lake in Brazos Bend State Park. Needville, Texas, December 25, 2025
 Anhinga (Snakebird) water bird in 40 Acre Lake. This pose helps them warm up, as they lose body heat quickly in the water. Brazos Bend State Park, Needville, Texas, December 25, 2025
 Black corticioid (crust) fungus Chaetosphaerella phaeostroma on a fallen oak branch in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Great white egret (Ardea alba) from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Head view of a large alligator on a lawn from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 American coot(?) birds with some aquatic plant from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Floating common moorhen marsh bird from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Close-up of black corticioid (crust) fungus Chaetosphaerella phaeostroma on a fallen oak branch in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Anhinga (often called "Snakebird" or "Water Turkey") water bird (Anhinga anhinga) from 40 Acre Lake Trail Brazos Bend State Park. Needville, Texas, December 25, 2025
 Turtles in Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Some sedge from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Dollarweed or Marsh Pennywort (genus Hydrocotyle) in 40 Acre Lake from Spillway Trail, most likely Many-flower Marshpennywort (Hydrocotyle umbellata). It forms a dense, low-growing carpet near the water s edge or in shallow mud. Brazos Bend State Park, Needville, Texas, December 25, 2025
 Alligator on an island of Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Spanish moss on Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 White rose(?) on Prairie Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 American coot(?) birds in Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Duckweed on alligator s head from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator and dry lotus leaves from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator and water hyacinth from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Tail view of an alligator from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Common moorhen bird from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator covered by duckweed from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Blue flag iris on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Common moorhen bird from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Alligator under a bird house No. 13 on an island in Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Marsh bird common moorhen in Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Ducks and swamp cypress trees in Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Philadelphia fleabane (Erigeron philadelphicus) on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Inflorescence of some plant of mustard family on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Flat winter rosette of some plant on Prairie Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Some flat plant of mallow(?) family on Prairie Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 An alligator is eating a turtle in 40 Acre Lake in Brazos Bend State Park. The turtle is most likely a Red-eared Slider (Trachemys scripta elegans) or potentially a River Cooter (Pseudemys concinna). The turtle s shell is being crushed, which alligators are well-equipped to do with their immense bite force. Needville, Texas, December 25, 2025
 Flowers of Philadelphia fleabane (Erigeron philadelphicus) on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Southern blue flag (Iris virginica) on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 White ibis (Eudocimus albus) bird from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Threelobe false mallow (Malvastrum coromandelianum) on Red Buckeye Trail near a campground in Brazos Bend State Park. Needville, Texas, March 12, 2020
 White rose(?) with dark-green glossy leaves on Prairie Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Close-up of pinkish flowers of some plant of mustard family on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Anhinga (often called "Snakebird" or "Water Turkey") water bird (Anhinga anhinga) from 40 Acre Lake Trail. The bird is standing with its wings spread out in a classic pose known as wing-drying or sunning. in Brazos Bend State Park, Needville, Texas, December 25, 2025
 Blooming red buckeye on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Hunting great white egret (Ardea alba) bird on an island of Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Hunting great white egret (Ardea alba) and ducks on an island of Elm Lake in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Pinkish flowers of some plant of mustard family, may be jewelflower, Streptanthus or Hesperidanthus linearifolius(?), on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Fluffy seeds of ten-petal anemone (Anemone heterophylla) on Red Buckeye Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
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