Links

Natural stuff

Organisations: StadtWildTiere | Storchenhaus Marchegg | Naturschutzbund Österreich | Naturschutzbund Deutschland | WWF
National parks: Nationalpark Donau-Auen | Nationalpark Neusiedler See Seewinkel | Nationalpark Thayatal
Animal parks: Tiergarten Schönbrunn
Webcams: Edinburgh Zoo (GB) | San Diego Zoo (US) | Peregrine falcons (Mortsel, BE) | Little penguins (Phillip Island, AU)
Blogs: Springwatch, Autumnwatch, Winterwatch

Useful stuff

WWW: W3C (World Wide Web Consortium) | W3Schools | W3C Markup Validation | W3C CSS Validation
Web development: selfHTML | CSS 4 You | PHP | Yellow
Medical standards & tools: DICOM, dcm4che | HL7 | FHIR, FHIR Tutorials
Language: Duden

Personal stuff

Travel: Bernie's Journeys
Language: Sprachhandwerkerin