On This Day

Question Mark: At Busse Woods

Shot Date: July 21, 2025, 2:32 p.m. Species: Question Mark

Camera Settings: Shutter Speed: 1/800 sec | Aperture: f/7.1 | ISO: 640 | Focal Length: 500mm | Shot Date: July 21, 2025, 2:32 p.m. | Camera: Canon EOS R7 | Lens: RF100-500mm F4.5-7.1 L IS USM
©2025 Vonda Zwick

Slender Spreadwing: With mites on its abdomen

Shot Date: July 21, 2025, 2:22 p.m. Species: Slender Spreadwing

Camera Settings: Shutter Speed: 1/640 sec | Aperture: f/7.1 | ISO: 4000 | Focal Length: 500mm | Shot Date: July 21, 2025, 2:22 p.m. | Camera: Canon EOS R7 | Lens: RF100-500mm F4.5-7.1 L IS USM
©2025 Vonda Zwick

House Wren: At Crabtree Nature Center

Shot Date: July 21, 2023, 3:26 p.m. Species: House Wren

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 8000 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:26 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Immature Common Yellowthroat: At Crabtree Nature Center

Shot Date: July 21, 2023, 3:24 p.m. Species: Common Yellowthroat

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 3200 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:24 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Immature Common Yellowthroat: At Crabtree Nature Center

Shot Date: July 21, 2023, 3:24 p.m. Species: Common Yellowthroat

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 4000 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:24 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Immature Common Yellowthroat: At Crabtree Nature Center

Shot Date: July 21, 2023, 3:24 p.m. Species: Common Yellowthroat

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 3200 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:24 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Yellow Coneflower: Blooming at Crabtree Nature Center

Shot Date: July 21, 2023, 3:21 p.m. Species: Yellow Coneflower

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 400 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:21 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Wild Indigo Duskywing: Visiting Black-eyed Susan

Shot Date: July 21, 2023, 3:18 p.m. Species: Wild Indigo Duskywing, Black-eyed Susan

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 640 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:18 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Black-eyed Susan: Being pollinated by a Wild Indigo Duskywing

Shot Date: July 21, 2023, 3:17 p.m. Species: Black-eyed Susan, Wild Indigo Duskywing

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 640 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:17 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Wild Indigo Duskywing: Visiting nonnative White Sweet Clover

Shot Date: July 21, 2023, 3:13 p.m. Species: Wild Indigo Duskywing

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 250 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:13 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Female Widow Skimmer: At Crabtree Nature Center

Shot Date: July 21, 2023, 3:12 p.m. Species: Widow Skimmer

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 250 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:12 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Indigo Bunting: At Crabtree Nature Center

Shot Date: July 21, 2023, 3:09 p.m. Species: Indigo Bunting

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 100 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:09 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Great Spangled Fritillary: Visiting Wild Bergamot

Shot Date: July 21, 2023, 3:01 p.m. Species: Great Spangled Fritillary

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 320 | Focal Length: 600mm | Shot Date: July 21, 2023, 3:01 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Young Eastern Cottontail: At Crabtree Nature Center

Shot Date: July 21, 2023, 2:53 p.m. Species: Eastern Cottontail

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 2000 | Focal Length: 374mm | Shot Date: July 21, 2023, 2:53 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Young Eastern Cottontail: At Crabtree Nature Center

Shot Date: July 21, 2023, 2:53 p.m. Species: Eastern Cottontail

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 2000 | Focal Length: 600mm | Shot Date: July 21, 2023, 2:53 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Carolina Grasshoppers: At Crabtree Nature Center

Shot Date: July 21, 2023, 2:51 p.m. Species: Carolina Grasshopper

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/16 | ISO: 1000 | Focal Length: 435mm | Shot Date: July 21, 2023, 2:51 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Eastern Amberwing: At Crabtree Nature Center

Shot Date: July 21, 2023, 2:46 p.m. Species: Eastern Amberwing

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 250 | Focal Length: 600mm | Shot Date: July 21, 2023, 2:46 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Pearl Crescent: Visiting White Clover

Shot Date: July 21, 2023, 2:44 p.m. Species: Pearl Crescent, White Clover (Nonnative)

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 320 | Focal Length: 600mm | Shot Date: July 21, 2023, 2:44 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Field Sparrow: In the prairie at Crabtree Nature Center

Shot Date: July 21, 2023, 2:36 p.m. Species: Field Sparrow

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 250 | Focal Length: 600mm | Shot Date: July 21, 2023, 2:36 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Field Sparrow: In the prairie at Crabtree Nature Center

Shot Date: July 21, 2023, 2:36 p.m. Species: Field Sparrow

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 400 | Focal Length: 600mm | Shot Date: July 21, 2023, 2:36 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Common Wood-Nymph: At Crabtree Nature Center

Shot Date: July 21, 2023, 2:28 p.m. Species: Common Wood-Nymph

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 500 | Focal Length: 600mm | Shot Date: July 21, 2023, 2:28 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Common Wood-Nymph: At Crabtree Nature Center

Shot Date: July 21, 2023, 2:26 p.m. Species: Common Wood-Nymph

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 400 | Focal Length: 361mm | Shot Date: July 21, 2023, 2:26 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Green Heron: At Crabtree Nature Center

Shot Date: July 21, 2023, 1:51 p.m. Species: Green Heron

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 1600 | Focal Length: 600mm | Shot Date: July 21, 2023, 1:51 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Mourning Cloak: At Crabtree Nature Center

Shot Date: July 21, 2023, 1:41 p.m. Species: Mourning Cloak

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/10 | ISO: 2500 | Focal Length: 600mm | Shot Date: July 21, 2023, 1:41 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Immature Common Yellowthroat: At Crabtree Nature Center

Shot Date: July 21, 2023, 1:32 p.m. Species: Common Yellowthroat

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/10 | ISO: 2500 | Focal Length: 600mm | Shot Date: July 21, 2023, 1:32 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Pearl Crescent: Visiting Swamp Milkweed

Shot Date: July 21, 2023, 1:24 p.m. Species: Pearl Crescent, Swamp Milkweed

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/10 | ISO: 800 | Focal Length: 600mm | Shot Date: July 21, 2023, 1:24 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Pearl Crescent: Visiting Swamp Milkweed

Shot Date: July 21, 2023, 1:23 p.m. Species: Pearl Crescent, Swamp Milkweed

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/10 | ISO: 1000 | Focal Length: 600mm | Shot Date: July 21, 2023, 1:23 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Trumpeter Swan: Swimming in Sulky Pond

Shot Date: July 21, 2023, 1:14 p.m. Species: Trumpeter Swan, Wood Duck, Common Buttonbush

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 250 | Focal Length: 600mm | Shot Date: July 21, 2023, 1:14 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Trumpeter Swan: Swimming in Sulky Pond

Shot Date: July 21, 2023, 1:13 p.m. Species: Trumpeter Swan, Wood Duck, Common Buttonbush

Camera Settings: Shutter Speed: 1/1000 sec | Aperture: f/8 | ISO: 320 | Focal Length: 600mm | Shot Date: July 21, 2023, 1:13 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2023 Vonda Zwick

Ruby-throated Hummingbird: Hunting insects near the pond

Shot Date: July 21, 2021, 9:54 a.m. Species: Ruby-throated Hummingbird

Camera Settings: Shutter Speed: 1/2500 sec | Aperture: f/6.3 | ISO: 8000 | Focal Length: 600mm | Shot Date: July 21, 2021, 9:54 a.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2021 Vonda Zwick

Ruby-throated Hummingbird: Hunting insects near the pond

Shot Date: July 21, 2021, 9:54 a.m. Species: Ruby-throated Hummingbird

Camera Settings: Shutter Speed: 1/2500 sec | Aperture: f/6.3 | ISO: 500 | Focal Length: 600mm | Shot Date: July 21, 2021, 9:54 a.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2021 Vonda Zwick

Ruby-throated Hummingbird: Female seeking nectar at Cardinal Flower

Shot Date: July 21, 2020, 3:19 p.m. Species: Cardinal Flower, Ruby-throated Hummingbird

Camera Settings: Shutter Speed: 1/4000 sec | Aperture: f/7.1 | ISO: 8000 | Focal Length: 600mm | Shot Date: July 21, 2020, 3:19 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick

Ruby-throated Hummingbird: Female seeking nectar at Cardinal Flower

Shot Date: July 21, 2020, 3:18 p.m. Species: Cardinal Flower, Ruby-throated Hummingbird

Camera Settings: Shutter Speed: 1/4000 sec | Aperture: f/6.3 | ISO: 8000 | Focal Length: 600mm | Shot Date: July 21, 2020, 3:18 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick

Ruby-throated Hummingbird: Female seeking nectar at Cardinal Flower

Shot Date: July 21, 2020, 3:18 p.m. Species: Cardinal Flower, Ruby-throated Hummingbird

Camera Settings: Shutter Speed: 1/4000 sec | Aperture: f/7.1 | ISO: 8000 | Focal Length: 600mm | Shot Date: July 21, 2020, 3:18 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick

Monarch: Male Resting on Cardinal Flower

Shot Date: July 21, 2020, 3:03 p.m. Species: Monarch, Cardinal Flower

Camera Settings: Shutter Speed: 1/4000 sec | Aperture: f/6.3 | ISO: 5000 | Focal Length: 600mm | Shot Date: July 21, 2020, 3:03 p.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick

Ruby-throated Hummingbird:: Hummingbird Garden

Shot Date: July 21, 2020, 2:54 p.m. Species: Ruby-throated Hummingbird, Cardinal Flower, Monkey Flower

Camera Settings: Shutter Speed: 1/4000 sec | Aperture: f/3.2 | ISO: 500 | Focal Length: 100mm | Shot Date: July 21, 2020, 2:54 p.m. | Camera: Canon EOS 5D Mark IV | Lens: EF100mm f/2.8L Macro IS USM
©2020 Vonda Zwick

Peck's Skipper: On Swamp Milkweed in the backyard gardens

Shot Date: July 21, 2020, 2:47 p.m. Species: Peck's Skipper, Swamp Milkweed

Camera Settings: Shutter Speed: 1/160 sec | Aperture: f/8 | ISO: 100 | Focal Length: 100mm | Shot Date: July 21, 2020, 2:47 p.m. | Camera: Canon EOS 5D Mark IV | Lens: EF100mm f/2.8L Macro IS USM
©2020 Vonda Zwick

Sweet Joe Pye: First Bloom of 2020

Shot Date: July 21, 2020, 2:45 p.m. Species: Sweet Joe Pye

Camera Settings: Shutter Speed: 1/250 sec | Aperture: f/8 | ISO: 100 | Focal Length: 100mm | Shot Date: July 21, 2020, 2:45 p.m. | Camera: Canon EOS 5D Mark IV | Lens: EF100mm f/2.8L Macro IS USM
©2020 Vonda Zwick

Yellow Bumble Bee: Pollinating Great Blue Lobelia

Shot Date: July 21, 2020, 2:29 p.m. Species: Great Blue Lobelia, Yellow Bumble Bee

Camera Settings: Shutter Speed: 1/100 sec | Aperture: f/8 | ISO: 100 | Focal Length: 100mm | Shot Date: July 21, 2020, 2:29 p.m. | Camera: Canon EOS 5D Mark IV | Lens: EF100mm f/2.8L Macro IS USM
©2020 Vonda Zwick

Yellow Bumble Bee: Pollinating Great Blue Lobelia

Shot Date: July 21, 2020, 2:28 p.m. Species: Great Blue Lobelia, Yellow Bumble Bee

Camera Settings: Shutter Speed: 1/125 sec | Aperture: f/8 | ISO: 100 | Focal Length: 100mm | Shot Date: July 21, 2020, 2:28 p.m. | Camera: Canon EOS 5D Mark IV | Lens: EF100mm f/2.8L Macro IS USM
©2020 Vonda Zwick

Autumn Meadowhawk: Immature male perched at the edge of the pond

Shot Date: July 21, 2020, 9:23 a.m. Species: Autumn Meadowhawk

Camera Settings: Shutter Speed: 1/500 sec | Aperture: f/18 | ISO: 5000 | Focal Length: 600mm | Shot Date: July 21, 2020, 9:23 a.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick

Eastern Amberwing and Slender Bluet: Slender Bluet harasses Eastern Amberwing perched in his spot

Shot Date: July 21, 2020, 9:16 a.m. Species: Eastern Amberwing, Slender Bluet

Camera Settings: Shutter Speed: 1/500 sec | Aperture: f/6.3 | ISO: 500 | Focal Length: 600mm | Shot Date: July 21, 2020, 9:16 a.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick

Eastern Pondhawk Female: On the observation deck at the local pond

Shot Date: July 21, 2020, 8:59 a.m. Species: Eastern Pondhawk

Camera Settings: Shutter Speed: 1/640 sec | Aperture: f/6.3 | ISO: 200 | Focal Length: 600mm | Shot Date: July 21, 2020, 8:59 a.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick

Eastern Pondhawk Female: On the observation deck at the local pond

Shot Date: July 21, 2020, 8:57 a.m. Species: Eastern Pondhawk

Camera Settings: Shutter Speed: 1/500 sec | Aperture: f/6.3 | ISO: 200 | Focal Length: 600mm | Shot Date: July 21, 2020, 8:57 a.m. | Camera: Canon EOS 5D Mark IV | Lens: 150-600mm F5-6.3 DG OS HSM | Contemporary 015
©2020 Vonda Zwick