While in grad school, McGuire took an interest in amateur nature photography and astrophotography. He hasn't quite gotten to the point of investing in a dedicated telescope for imaging, but will give in soon enough.

The feed below features photographs from his glass.photo portfolio. Click any photograph to view the original post on Glass.

Click “More photographs” at the bottom to keep scrolling through the latest 100 photos.

Red-tailed Hawk ft. lunch. Massachusetts.

Red-tailed Hawk ft. lunch. Massachusetts.

Myrtle Warbler, Assabet River National Wildlife Refuge, MA

Myrtle Warbler, Assabet River National Wildlife Refuge, MA

Hardy mum

Hardy mum

Chipmunk having a mid-morning snack. Slocan, BC, Canada.

Chipmunk having a mid-morning snack. Slocan, BC, Canada.

Plains prickly pear. Horseshoe Canyon, Alberta, Canada

Plains prickly pear. Horseshoe Canyon, Alberta, Canada

Red-spotted Purple Admiral. Lake Charleston, IL.

Red-spotted Purple Admiral. Lake Charleston, IL.

Cedar Waxwing, Fish Lake, BC, Canada

Cedar Waxwing, Fish Lake, BC, Canada

Osprey, Summit Lake Provincial Park, BC, Canada

Osprey, Summit Lake Provincial Park, BC, Canada

Looking up at the ridge line of Summit Peak through the wildfire smoke. Summit Lake, BC, Canada.

Looking up at the ridge line of Summit Peak through the wildfire smoke. Summit Lake, BC, Canada.

Chipmunk getting ready to pull down a snack. Icefields Parkway off Big Bend Peak. Banff National Park, AB, Canada.

Chipmunk getting ready to pull down a snack. Icefields Parkway off Big Bend Peak. Banff National Park, AB, Canada.

Dark-eyed Junco. Wilson Lake, Central Kootenay, BC, Canada

Dark-eyed Junco. Wilson Lake, Central Kootenay, BC, Canada

Chestnut-backed Chickadee hanging out with a snack. McDonald Creek Provincial Park, BC, Canada.

Chestnut-backed Chickadee hanging out with a snack. McDonald Creek Provincial Park, BC, Canada.

Spotted Sandpiper. Wilson Lake, Central Kootenay, BC, Canada

Spotted Sandpiper. Wilson Lake, Central Kootenay, BC, Canada

Calliope(?) hummingbird. Summit Lake, Nakusp, BC, Canada.

Calliope(?) hummingbird. Summit Lake, Nakusp, BC, Canada.

Drummond's Mountain Aven seed poof backlit by sunset. Icefields Parkway off Big Bend Peak. Banff National Park, AB, Canada.

Drummond's Mountain Aven seed poof backlit by sunset. Icefields Parkway off Big Bend Peak. Banff National Park, AB, Canada.

Clark's Nutcracker. Moraine Lake, Banff National Park, AB, Canada

Clark's Nutcracker. Moraine Lake, Banff National Park, AB, Canada

Juvenile American Dipper extremely excited for breakfast. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada

Juvenile American Dipper extremely excited for breakfast. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada

Juvenile American Dipper getting daily dose of greens! Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada

Juvenile American Dipper getting daily dose of greens! Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada

Columbian ground squirrel very unhappy to have its morning yoga time interrupted by visitors. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

Columbian ground squirrel very unhappy to have its morning yoga time interrupted by visitors. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

American Pika. Kokanee Glacier Provincial Park, BC, Canada.

American Pika. Kokanee Glacier Provincial Park, BC, Canada.

Varied Thrush returning from the all-you-can-eat bug buffet. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

Varied Thrush returning from the all-you-can-eat bug buffet. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

Great Blue Heron. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

Great Blue Heron. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

Atlantis fritillary. Lake #2, Champion Lakes, BC, Canada.

Atlantis fritillary. Lake #2, Champion Lakes, BC, Canada.

Blue damselflies in the 'heart' mating configuration. Rosebud Lake, BC, Canada.

Blue damselflies in the 'heart' mating configuration. Rosebud Lake, BC, Canada.

Yellow Rumpled Warbler. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

Yellow Rumpled Warbler. Gibson Lake, Kokanee Glacier Provincial Park, BC, Canada.

Bald Eagle. Cottonwood Lake, Nelson, BC, Canada.

Bald Eagle. Cottonwood Lake, Nelson, BC, Canada.

Pacific Wren. Cottonwood Lake, Nelson, BC, Canada.

Pacific Wren. Cottonwood Lake, Nelson, BC, Canada.

Western Flycatcher. Cottonwood Lake, Nelson, BC, Canada.

Western Flycatcher. Cottonwood Lake, Nelson, BC, Canada.

Great Spangled Fritillary on Butterfly Weed. Pinery Provincial Park, Ontario, Canada.

Great Spangled Fritillary on Butterfly Weed. Pinery Provincial Park, Ontario, Canada.

Eastern Towhee. Pinery Provincial Park, Ontario, Canada.

Eastern Towhee. Pinery Provincial Park, Ontario, Canada.

Crested Flycatcher. Pinery Provincial Park, Ontario, Canada.

Crested Flycatcher. Pinery Provincial Park, Ontario, Canada.

Juvenile Canadian Goose. Pinery Provincial Park, Ontario, Canada.

Juvenile Canadian Goose. Pinery Provincial Park, Ontario, Canada.

Juvenile Red-winged Blackbird. Westminster Ponds, London, Ontario.

Juvenile Red-winged Blackbird. Westminster Ponds, London, Ontario.

Orchard Oriole in an actual apple orchard. Lake Charleston, IL.

Orchard Oriole in an actual apple orchard. Lake Charleston, IL.

Great Blue Heron. Lake Charleston, IL.

Great Blue Heron. Lake Charleston, IL.

Great Blue Heron, Assabet River National Wildlife Refuge

Great Blue Heron, Assabet River National Wildlife Refuge

We really need a bigger house ... Great Blue Herons, Assabet River National Wildlife Refuge

We really need a bigger house ... Great Blue Herons, Assabet River National Wildlife Refuge

Eurasian Jay, Leiden Botanical Gardens, The Netherlands

Eurasian Jay, Leiden Botanical Gardens, The Netherlands

Leiden Botanical Gardens, The Netherlands

Leiden Botanical Gardens, The Netherlands

Leiden Botanical Gardens, The Netherlands

Leiden Botanical Gardens, The Netherlands

Leiden Botanical Gardens, The Netherlands

Leiden Botanical Gardens, The Netherlands

Eastern Bluebird, Acton, MA

Eastern Bluebird, Acton, MA

Gray Catbird, Acton, MA

Gray Catbird, Acton, MA

Baltimore Oriole, Acton, MA

Baltimore Oriole, Acton, MA

Baltimore Oriole that can see what you're doing and is VERY UPSET ABOUT IT. Acton, MA

Baltimore Oriole that can see what you're doing and is VERY UPSET ABOUT IT. Acton, MA

Ruins of Dion. Mt. Olympus. Greece.

Ruins of Dion. Mt. Olympus. Greece.

Welcome wagon. Ruins of Dion. Mt. Olympus. Greece.

Welcome wagon. Ruins of Dion. Mt. Olympus. Greece.

Street pup. Litochoro, Greece.

Street pup. Litochoro, Greece.

Cat nap. Litochoro, Greece.

Cat nap. Litochoro, Greece.

Calopteryx. Ruins of Dion. Mt. Olympus. Greece.

Calopteryx. Ruins of Dion. Mt. Olympus. Greece.

A barn swallow takes a rare rest in Katerini, Greece

A barn swallow takes a rare rest in Katerini, Greece

Eurasian blackbird, Botanical Gardens, Copenhagen, Denmark

Eurasian blackbird, Botanical Gardens, Copenhagen, Denmark

Grey Heron, Kastellet, Copenhagen, Denmark

Grey Heron, Kastellet, Copenhagen, Denmark

Tulip, Tivoli Gardens, Copenhagen, Denmark

Tulip, Tivoli Gardens, Copenhagen, Denmark

Caligo Atreus

Caligo Atreus

Red Squirrel, Botanical Gardens, Copenhagen, Denmark

Red Squirrel, Botanical Gardens, Copenhagen, Denmark

Marselisborg Dyrehave, Aarhus, Denmark

Marselisborg Dyrehave, Aarhus, Denmark

Red Postman, Botanical Gardens, Copenhagen, Denmark

Red Postman, Botanical Gardens, Copenhagen, Denmark

Glasswing Butterfly, Botanical Gardens, Copenhagen, Denmark

Glasswing Butterfly, Botanical Gardens, Copenhagen, Denmark

Malachite Butterfly, Botanical Gardens, Copenhagen, Denmark

Malachite Butterfly, Botanical Gardens, Copenhagen, Denmark

Perennial Cornflower, King's Garden, Copenhagen, Denmark

Perennial Cornflower, King's Garden, Copenhagen, Denmark

Sparrow, Copenhagen, Denmark

Sparrow, Copenhagen, Denmark

Eurasian Magpie, Copenhagen, Denmark

Eurasian Magpie, Copenhagen, Denmark

Eurasian Coot Chicks, Copenhagen, Denmark

Eurasian Coot Chicks, Copenhagen, Denmark

Tufted Duck, Aarhus, Denmark

Tufted Duck, Aarhus, Denmark

Aarhus Botanical Garden, Denmark

Aarhus Botanical Garden, Denmark

Aarhus Botanical Garden, Denmark

Aarhus Botanical Garden, Denmark

Aarhus Botanical Garden, Denmark

Aarhus Botanical Garden, Denmark

Aarhus Botanical Garden, Denmark

Aarhus Botanical Garden, Denmark

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Common Kestrel; Botanical Gardens, Aarhus, Denmark

Common Kestrel; Botanical Gardens, Aarhus, Denmark

Red-winged blackbird; Charleston, IL

Red-winged blackbird; Charleston, IL

House finch; Charleston, IL

House finch; Charleston, IL

Hawks; Acton, MA

Hawks; Acton, MA

Spring Robin; Charleston, IL

Spring Robin; Charleston, IL

Portrait of the artist in the eye of a squirrel.

Portrait of the artist in the eye of a squirrel.

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Tufted Titmouse bundled up against the sub-zero windchill. Mass Audubon Wachusett Meadow.

Tufted Titmouse bundled up against the sub-zero windchill. Mass Audubon Wachusett Meadow.

Black-capped Chicakee hunts for seeds on top of the snow. Mass Audubon Wachusett Meadow.

Black-capped Chicakee hunts for seeds on top of the snow. Mass Audubon Wachusett Meadow.

Dark-eyed Junco playing in the snow. Mass Audubon Wachusett Meadow.

Dark-eyed Junco playing in the snow. Mass Audubon Wachusett Meadow.

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Water Lily

Water Lily

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Iris. Huntington Gardens, Pasadena, CA

Iris. Huntington Gardens, Pasadena, CA

Rose. Huntington Gardens, Pasadena, CA

Rose. Huntington Gardens, Pasadena, CA

Cactus Flower. Huntington Gardens, Pasadena, CA

Cactus Flower. Huntington Gardens, Pasadena, CA

Huntington Gardens, Pasadena, CA

Huntington Gardens, Pasadena, CA