Fourteen-Years Ago (28-May-2007) — Colorado

Springtime Nature in Colorado

Boulder Residence Inn. Northern Flicker My eBird Checklist.


Northern Flicker. Image taken with a Nikon D2xs camera and 70-200 mm f/2.8 VR lens. Individual images in the slideshow are available in my PhotoShelter Gallery.

Longs Peak Trail, Rocky Mountain National Park. American Three-toed Woodpecker, Canada Jay, Mountain Chickadee, Yellow-rumped Warbler. My eBird Checklist.


Longs Peak Trail, Rocky Mountain National Park. Image taken with a Nikon D2xs camera and 70-200 mm f/2.8 VR lens (some with a 1.4, 1.7, or 2.0x teleconverter). Individual images in the slideshow are available in my PhotoShelter Gallery.

Lily Lake, Rocky Mountain National Park. Mallard, Broad-tailed Hummingbird, Red-winged Blackbird, Common Grackle. My eBird Checklist.


Lily Lake, Rocky Mountain National Park. Image taken with a Nikon D2xs camera and 70-200 mm f/2.8 VR lens (some with a 1.4, 1.7, or 2.0x teleconverter). Individual images in the slideshow are available in my PhotoShelter Gallery.

Thirteen-Years Ago (09-March-2008) — Colorado

Wintertime Nature Lily Lake in Rocky Mountain National Park, Colorado.

Morning Walkabout: Black-billed Magpie. eBird Checklist


Black-billed Magpie. Image taken with a Nikon D3 camera and 70-200 mm f/2.8 lens. Individual images in the slideshow are available in my PhotoShelter Gallery.

Twelve-Years Ago (26-August-2007) — Colorado

Summertime Nature in Colorado.

Summer Morning Reflections at Lily Lake in Rocky Mountain National Park. Image taken with a Nikon D2xs and 14 mm f/2.8 lens (ISO 140, 14 mm, f/11, 1/60 sec).  Three versions — as originally processed, reprocessed three-years ago (Capture One Pro, Photoshop CC, Focus Magic, and NIK Color Efex and NIK Define), and reprocessed today. Let me know which you like better (or why I save all images — to learn from my mistakes and to used newer image processing tools).

Summer Morning Reflections at Lily Lake in Rocky Mountain National Park. Image taken with a Nikon D2xs and 14 mm f/2.8 lens (ISO 100, 14 mm, f/22, 1/20 sec). (David J Mathre)
Summer Morning Reflections at Lily Lake in Rocky Mountain National Park. Image taken with a Nikon D2xs and 14 mm f/2.8 lens (ISO 100, 14 mm, f/22, 1/20 sec). (David J Mathre)
Summer Morning Reflections at Lily Lake in Rocky Mountain National Park. Image taken with a Nikon D2xs and 14 mm f/2.8 lens (ISO 140, 14 mm, f/11, 1/60 sec). Raw image processed with Capture One Pro, Photoshop CC, Focus Magic, and NIK Color Efex and NIK Define. (David J Mathre)
Summer Morning Reflections at Lily Lake in Rocky Mountain National Park. Image taken with a Nikon D2xs and 14 mm f/2.8 lens (ISO 140, 14 mm, f/11, 1/60 sec). Raw image processed with Capture One Pro, Photoshop CC, Focus Magic, and NIK Color Efex and NIK Define. (David J Mathre)
Summer Morning Reflections at Lily Lake in Rocky Mountain National Park. Image taken with a Nikon D2xs and 14 mm f/2.8 lens (ISO 140, 14 mm, f/11, 1/60 sec). Raw image processed with Capture One Pro (Still Life), and Focus Magic. (David J Mathre)
Summer Morning Reflections at Lily Lake in Rocky Mountain National Park. Image taken with a Nikon D2xs and 14 mm f/2.8 lens (ISO 140, 14 mm, f/11, 1/60 sec). Raw image processed with Capture One Pro (Still Life), and Focus Magic. (David J Mathre)

Eleven-Years Ago (02-February-2008) — Colorado

Outdoor Winter Nature in Colorado: Lily Lake in Rocky Mountain National Park.

During a winter visit to Lily Lake in Rocky Mountain National Park, I observed these two folks out in the middle of the frozen lake. What do you think that they are doing? To give you a hint, they are not ice fishing, but it does have to do with fish under a frozen lake. Please reply if you think you know what they were doing.

Winter Under Ice Dissolved Oxygen Level Measurement at Lilly Lake, Rocky Mountain National Park, Colorado. Image taken with a Nikon D3 and 24-70 mm f/2.8 lens (ISO 200, 70 mm, f/11, 1/125 sec) (David J Mathre)
Winter at Lily Lake, Rocky Mountain National Park, Colorado. Image taken with a Nikon D3 and 24-70 mm f/2.8 lens (ISO 200, 70 mm, f/11, 1/125 sec) (David J Mathre)
Winter Under Ice Dissolved Oxygen Level Measurement at Lilly Lake, Rocky Mountain National Park, Colorado. Image taken with a Nikon D300 and 300 mm f/2.8 lens (ISO 200, 300 mm, f/8, 1/500 sec) (David J Mathre)
Winter at Lily Lake, Rocky Mountain National Park, Colorado. Image taken with a Nikon D300 and 300 mm f/2.8 lens (ISO 200, 300 mm, f/8, 1/500 sec) (David J Mathre)

Nine-Years Ago (26-August-2007) – Colorado

Summertime Nature in Colorado.

Mother duck and eight ducklings resting in the middle of Lily Lake. Rocky Mountain National Park. Image taken with a Nikon D2xs camera and 80-400 mm VR lens (ISO 100, 400 mm, f/5.6, 1/60 sec). You can see the ducks as tiny specks in the panoramic image of Lily lake I took a few minutes earlier.

Mother Duck and Eight Ducklings Resting in the Middle of Lilly Lake. Rocky Mountain National Park, Colorado. Image taken with a Nikon D2xs and 80-400 mm VR lens (ISO 100, 400 mm, f/5.6, 1/60 sec) (David J. Mathre)
Mother Duck and Eight Ducklings Resting in the Middle of Lilly Lake. Rocky Mountain National Park, Colorado. Image taken with a Nikon D2xs camera and 80-400 mm VR lens (ISO 100, 400 mm, f/5.6, 1/60 sec) (David J. Mathre)