User:Mdf
Contributions
Bird images (in order of contribution):
Image:Strix-varia-005.jpg|Barred Owl
Image:Surnia-ulula-002.jpg|Northern Hawk Owl
Image:Tachycineta_bicolor1.jpg|Tree Swallow
Image:Alectoris-chukar-001.jpg|Chukar
Image:Ardea-alba-001.jpg|Great Egret
Image:Protonotaria-citrea-002.jpg|Prothonotary Warbler
Image:Tyrannus-tyrannus-001.jpg|Eastern Kingbird
Image:Dendroica-fusca-001.jpg|Blackburnian Warbler
Image:Dendroica-pensylvanica-003.jpg|Chestnut-sided Warbler (female)
Image:Podilymbus-podiceps-001.jpg|Pied-billed Grebe
Image:Aegolius-funereus-001.jpg|Boreal Owl
Image:Nycticorax-nycticorax-004.jpg|Black-crowned Night Heron
Image:Phalacrocorax-auritus-007.jpg|Double-crested Cormorant
Image:Actitis-macularia-005.jpg|Spotted Sandpiper (side)
Image:Actitis-macularia-004.jpg|Spotted Sandpiper (front)
Image:Hirundo-rustica-001.jpg|Barn Swallow (North American)
Image:Larus-delawarensis-016.jpg|Ring-billed Gull (weeks old)
Image:Larus-delawarensis-017.jpg|Ring-billed Gull (weeks old)
Image:Coccyzus-americanus-001.jpg|Yellow-billed Cuckoo
Image:Quiscalus-quiscula-001.jpg|Common Grackle
Image:Melospiza-melodia-001.jpg|Song Sparrow
Image:Carduelis-tristis-001.jpg|American Goldfinch
Image:Mimus-polyglottos-001.jpg|Northern Mockingbird
Image:Anthus-rubescens-001.jpg|American Pipit
Image:Perisoreus-canadensis-001.jpg|Gray Jay
Image:Junco hyemalis hyemalis-001.jpg|Dark-eyed Junco
Image:Spizella-arborea-002.jpg|American Tree Sparrow
Image:Charadrius-semipalmatus-002.jpg|Semipalmated Plover
Image:Podiceps-grisegena-008.jpg|Red-necked Grebe
Image:Passerella iliaca-001.jpg|Fox Sparrow
Image:Turdus-grayi-001.jpg|Clay-colored Robin
Image:Catoptrophorus-semipalmatus-001.jpg|Willet
Image:Coragyps-atratus-001.jpg|American Black Vulture
Image:Calidris-alba-001.jpg|Sanderling
Image:Sitta-carolinensis-001.jpg|White-breasted Nuthatch
Image:Poecile-atricapilla-001.jpg|Black-capped Chickadee
Image:Picoides-villosus-001.jpg|Hairy Woodpecker
Image:Larus-glaucoides-002.jpg|Iceland Gull
Image:Asio-flammeus-001.jpg|Short-eared Owl
Image:Fulica-americana-003.jpg|American Coot
Image:Bucephala-albeola-007.jpg|Bufflehead (male)
Image:Bucephala-albeola-010.jpg|Bufflehead (female)
Image:Aythya-collaris-001.jpg|Ring-necked Duck (male)
Image:Certhia-americana-001.jpg|Brown Creeper
Image:Calidris-alpina-001.jpg|Dunlin
Image:Empidonax-minimus-001.jpg|Least Flycatcher
Image:Agelaius-phoeniceus-008.jpg|Red-Winged Blackbird (female)
Image:Archilochus-alexandri-003.jpg|Black-chinned Hummingbird (male)
Image:Archilochus-alexandri-002.jpg|Black-chinned Hummingbird (female)
Image:Calypte-anna-002.jpg|Anna's Hummingbird (male)
Image:Calidris-pusilla-001.jpg|Semipalmated Sandpiper
Image:Falcipennis-canadensis-001.jpg|Spruce Grouse (female)
Image:Accipiter-cooperii-01.jpg|Cooper's Hawk
Mammals:
Image:Tamias-rufus-001.jpg|Hopi Chipmunk
Miscellaneous:
Image:Moon-Mdf-2005.jpg|Moon
Image:Mystery-canyon-001.jpg|Canyoneering
Image:Mineral-Bottom.jpg|Green River (Utah)
Graphics:
Image:Pincushion-distortion.jpg|Pincushion distortion
Image:Barrel-distortion.jpg|Barrel distortion
Image:Spherical-aberration-disk.jpg|Spherical aberration (focal plane)
Image:Spherical-aberration-slice.jpg|Spherical aberration (longitudinal)
Image:Photon-noise.jpg|Photon noise
Image:Gamut-sRGB.png|Gamut (not in main article yet)
Image:InnerSolarSystem-en.png|Solar System
Image:InnerSolarSystem.png|Solar System (no labels)
Map Projections:
Image:Goode-homolosine.jpg|Goode homolosine projection
Image:Utm-zones.jpg|Universal Transverse Mercator coordinate system
Image:Georef-global.jpg|GEOREF (global)
Image:Georef-local.jpg|GEOREF (local)
Image:Winkel-tripel-projection.jpg|Winkel Tripel projection
File:Van der grinten projection of Earth.jpg|van der Grinten projection
Image:Gall-peters.jpg|Gall-Peters projection
Audio (birds):
{{listen|filename=Toxostoma-rufum-001.ogg|title=Brown Thrasher|description=Typical call sequence.}}
{{listen|filename=Melospiza-melodia-001.ogg|title=Song Sparrow|description=Typical call sequence.}}
{{listen|filename=Spizella-passerina-002.ogg|title=Chipping Sparrow|description=Typical calls.}}
Audio (frogs):
{{listen|filename=Pseudacris-crucifer-002.ogg|title=Spring Peeper (one)|description=A lone Spring Peeper.}}
{{listen|filename=Pseudacris-crucifer-003.ogg|title=Spring Peeper (many)|description=A pond full of Spring Peepers.}}
Audio (misc):
{{listen|filename=Leap-second-announce.ogg|title=2005 Dec 31 23:59:60 announced|description=Recording from WWV time signal.}}