Daniel S. Katz
@danielskatz.org
Chief Scientist @ NCSA, Res. Prof. @ CS & iSchool, @ U Illinois Urbana-Champaign
He/him
Works on: computational & data science: software opensource systems tools policy practices scholcomm FAIR RSE
more active on: @[email protected]
He/him
Works on: computational & data science: software opensource systems tools policy practices scholcomm FAIR RSE
more active on: @[email protected]
Like a scene from a sci-fi movie where fascism won
January 12, 2026 at 1:51 PM
Like a scene from a sci-fi movie where fascism won
At National Japanese American Memorial to Patriotism in WWII: “The lessons learned must remain as a grave reminder of what we must not allow to happen again to any group” Daniel K. Inouye
January 12, 2026 at 1:33 PM
At National Japanese American Memorial to Patriotism in WWII: “The lessons learned must remain as a grave reminder of what we must not allow to happen again to any group” Daniel K. Inouye
A cold morning in Boston
January 8, 2026 at 12:22 PM
A cold morning in Boston
Allen's Hummingbird, Huntington Library and Gardens, San Marino, CA, USA
#Birds #BirdPhotography #Hummingbird
#Birds #BirdPhotography #Hummingbird
January 5, 2026 at 11:59 PM
Allen's Hummingbird, Huntington Library and Gardens, San Marino, CA, USA
#Birds #BirdPhotography #Hummingbird
#Birds #BirdPhotography #Hummingbird
From a Chicano print exhibit, on loan from the Smithsonian, at the Huntington Library and Gardens
January 5, 2026 at 10:40 PM
From a Chicano print exhibit, on loan from the Smithsonian, at the Huntington Library and Gardens
A few things seen walking around Pasadena and San Marino, CA, USA, in light drizzle this morning: Allen's Hummingbird, Red-crowned Amazon, Western Bluebird, Coyote
#Birds #BirdPhotography
#Birds #BirdPhotography
January 4, 2026 at 6:26 PM
A few things seen walking around Pasadena and San Marino, CA, USA, in light drizzle this morning: Allen's Hummingbird, Red-crowned Amazon, Western Bluebird, Coyote
#Birds #BirdPhotography
#Birds #BirdPhotography
2nd and 3rd new bird species of the year today in Long Beach, CA, USA, thanks to eBird rare bird alerts: Grace's Warbler (here naturally) and Swinhoe's White-Eye (part of a rapidly expanding group of escapees in this part of the LA area)
#Birds #BirdPhotography
#Birds #BirdPhotography
January 3, 2026 at 11:52 PM
2nd and 3rd new bird species of the year today in Long Beach, CA, USA, thanks to eBird rare bird alerts: Grace's Warbler (here naturally) and Swinhoe's White-Eye (part of a rapidly expanding group of escapees in this part of the LA area)
#Birds #BirdPhotography
#Birds #BirdPhotography
First new bird species seen in 2026: Painted Redstart, Elysian Park, Los Angeles, CA, USA
#Birds #BirdPhotography
#Birds #BirdPhotography
January 2, 2026 at 8:58 PM
First new bird species seen in 2026: Painted Redstart, Elysian Park, Los Angeles, CA, USA
#Birds #BirdPhotography
#Birds #BirdPhotography
Townsend's Warblers are pretty, including this one in Elysian Park, Los Angeles, CA, USA
#Birds #BirdPhotography
#Birds #BirdPhotography
January 2, 2026 at 8:43 PM
Townsend's Warblers are pretty, including this one in Elysian Park, Los Angeles, CA, USA
#Birds #BirdPhotography
#Birds #BirdPhotography
Watching the Rose Parade is always fun on New Year’s Day
January 1, 2026 at 8:03 PM
Watching the Rose Parade is always fun on New Year’s Day
Costa Rica nature, Nov/Dec 2025 (33/33): Tropical Parula, Black-and-yellow Tanager (m & f), Slate-throated Redstart
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
January 1, 2026 at 3:28 AM
Costa Rica nature, Nov/Dec 2025 (33/33): Tropical Parula, Black-and-yellow Tanager (m & f), Slate-throated Redstart
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (32/33): Common Chlorospingus, Rose-breasted Grosbeak, Baltimore Oriole, Gray-headed Chachalaca
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 31, 2025 at 10:28 PM
Costa Rica nature, Nov/Dec 2025 (32/33): Common Chlorospingus, Rose-breasted Grosbeak, Baltimore Oriole, Gray-headed Chachalaca
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (31/33): Thick-billed Seed-Finch, Ruddy-breasted Seedeater, Variable Seedeater, Northern Rough-winged Swallow
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 31, 2025 at 2:21 PM
Costa Rica nature, Nov/Dec 2025 (31/33): Thick-billed Seed-Finch, Ruddy-breasted Seedeater, Variable Seedeater, Northern Rough-winged Swallow
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (30/33): Slaty Spinetail, Yellow-breasted Crake, Olive-crowned Yellowthroat, Black-throated Wren
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 30, 2025 at 11:42 PM
Costa Rica nature, Nov/Dec 2025 (30/33): Slaty Spinetail, Yellow-breasted Crake, Olive-crowned Yellowthroat, Black-throated Wren
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
A new bird species for me: Thick-billed Kingbird, Griffith Park, Los Angeles, CA, USA #BIrds #BirdPhotography
December 30, 2025 at 9:14 PM
A new bird species for me: Thick-billed Kingbird, Griffith Park, Los Angeles, CA, USA #BIrds #BirdPhotography
Costa Rica nature, Nov/Dec 2025 (29/?): Turquoise-browed Motmot, Broad-billed Motmot, Collared Aracari, Fiery-billed Aracari
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 30, 2025 at 3:08 PM
Costa Rica nature, Nov/Dec 2025 (29/?): Turquoise-browed Motmot, Broad-billed Motmot, Collared Aracari, Fiery-billed Aracari
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (28/?): Yellow-throated Euphonia (m & f), Northern Bentbill, Inca Dove
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 30, 2025 at 2:26 AM
Costa Rica nature, Nov/Dec 2025 (28/?): Yellow-throated Euphonia (m & f), Northern Bentbill, Inca Dove
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (27/?): Greenish Elaenia, Yellow-throated Vireo, Rufous-tailed Jacamar, Rose-throated Becard
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 29, 2025 at 2:07 PM
Costa Rica nature, Nov/Dec 2025 (27/?): Greenish Elaenia, Yellow-throated Vireo, Rufous-tailed Jacamar, Rose-throated Becard
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (26/?): Yellow-bellied Tyrannulet, Northern Tropical Pewee, Long-tailed Tyrant, Scale-crested Pygmy-Tyrant
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 29, 2025 at 12:58 AM
Costa Rica nature, Nov/Dec 2025 (26/?): Yellow-bellied Tyrannulet, Northern Tropical Pewee, Long-tailed Tyrant, Scale-crested Pygmy-Tyrant
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (25/?): Roseate Spoonbill, Spotted Sandpiper, Anhinga (x2)
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 28, 2025 at 2:27 PM
Costa Rica nature, Nov/Dec 2025 (25/?): Roseate Spoonbill, Spotted Sandpiper, Anhinga (x2)
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (24/?): Groove-billed Ani, Brown Jay, Buff-throated Saltator, Black-header Saltator
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 28, 2025 at 12:26 AM
Costa Rica nature, Nov/Dec 2025 (24/?): Groove-billed Ani, Brown Jay, Buff-throated Saltator, Black-header Saltator
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
Costa Rica nature, Nov/Dec 2025 (23/?): Streak-headed Woodcreeper, Northern Barred-Woodcreeper, Olivaceous Piculet, Black-cheeked Woodpecker
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 27, 2025 at 2:23 PM
Costa Rica nature, Nov/Dec 2025 (23/?): Streak-headed Woodcreeper, Northern Barred-Woodcreeper, Olivaceous Piculet, Black-cheeked Woodpecker
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
One of the stranger things about being in Pasadena is that you can regularly say - oh, there's a peacock on the roof
December 26, 2025 at 11:41 PM
One of the stranger things about being in Pasadena is that you can regularly say - oh, there's a peacock on the roof
Costa Rica nature, Nov/Dec 2025 (22/?): Amazon Kingfisher (x2), Ringed Kingfisher, Three-wattled Bellbird
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica
December 26, 2025 at 2:52 PM
Costa Rica nature, Nov/Dec 2025 (22/?): Amazon Kingfisher (x2), Ringed Kingfisher, Three-wattled Bellbird
#Birds #BirdPhotography #CostaRica
#Birds #BirdPhotography #CostaRica