CityNatureChallenge 2021: Wien Uniquely Observed Species

I analysed the CityNatureChallenge 2021 Wien observations, and found that as of 2021-05-12, 747 of the total species had only been observed by a single person. So special thanks to these 68 people, who are responsible for a staggering 31% of the species observed.

Here’s the code used to create this analysis, in case people want to do similar analysis on other projects. The code became too large and unwieldy for the little script I started out with, so I refactored it and moved it to github.

Species in bold are ones for which the given observer has one or more research-grade observations.

If only one person has RG observations of a species, but other people have observations which need ID, the number of needs-ID observers are indicated in parentheses. For example:

Centranthus ruber (Red Valerian)
means the observer is the only one to have observed that species, but none of their observations are research grade.
Cercopis arcuata
means the observer is the only one to have observed that species, and one or more of those observations are research grade.
Polydesmus complanatus (Flat-backed Millipede) (1)
means that the observer and one other person have observed that species, but only the listed observer has research-grade observations of it.

Table of Contents

Use your browser’s Find In Page function to search for species names or iNat usernames for quick navigation.

  1. Notable Species
    1. Wien
      1. First Observations
      2. Notable Observations
    2. Austria
      1. First Observations
      2. Notable Observations
    3. Europe
      1. First Observations
      2. Notable Observations
    4. iNaturalist Global
      1. First Observations
      2. Notable Observations
  2. Uniquely Observed Species

Notable Species

Wien exakt, AT

First Observations (130)

Notable Observations (302)

Austria

First Observations (40)

Notable Observations (125)

Europe

First Observations (4)

Notable Observations (19)

iNaturalist Global

First Observations (3)

Notable Observations (38)

Uniquely Observed Species

Observers

@carnifex (279 taxa):

@samuel_messner (42 taxa):

@bettyglatzhofer (41 taxa):

@waldgeist (39 taxa):

@hyacinthus (35 taxa):

@drosophila (25 taxa):

@lrasran (25 taxa):

@gertiseiser (24 taxa):

@barnabywalters (18 taxa):

@pearmonger (15 taxa):

@cpu (10 taxa):

@kleeumgebung (9 taxa):

@mgreilhuber (9 taxa):

@isadoraisadorable (8 taxa):

@per-hoffmann-olsen (8 taxa):

@isabella_ostovary (6 taxa):

@merl (6 taxa):

@danielahlavka (4 taxa):

@sonstwer (4 taxa):

@hederahelix (4 taxa):

@it_lp (4 taxa):

@melanie_hoppmann (4 taxa):

@evelynevelyn (4 taxa):

@danielaio (4 taxa):

@franzgraf (3 taxa):

@pastabaum (3 taxa):

@dawae7 (3 taxa):

@amikiri (3 taxa):

@sonnleitnd96 (3 taxa):

@emmsdmh (3 taxa):

@lena_f (3 taxa):

@floriolusfloriolus (2 taxa):

@otterlysascha (2 taxa):

@ninano (2 taxa):

@eremiphilia (2 taxa):

@rombrand (2 taxa):

@stadtwildnis_wien (2 taxa):

@kafkaela (2 taxa):

@philippevoidrot (2 taxa):

@oakhornlet (2 taxa):

@szucsich (1 taxa):

@alphons_ueb (1 taxa):

@jangraf (1 taxa):

@brigospo (1 taxa):

@philosoph666 (1 taxa):

@larissabain (1 taxa):

@corvusc (1 taxa):

@mellimelina (1 taxa):

@garten444 (1 taxa):

@zilopipo (1 taxa):

@ramari13 (1 taxa):

@jakobbrejcha (1 taxa):

@cathyp (1 taxa):

@linnes_nightmare (1 taxa):

@fabi-henne (1 taxa):

@thomas_ellmauer (1 taxa):

@laramartin (1 taxa):

@merlinm99 (1 taxa):

@citrinella (1 taxa):

@ryansig (1 taxa):

@mbischinger (1 taxa):

@beeutifulbee (1 taxa):

@talum (1 taxa):

@bpa (1 taxa):

@ebcs (1 taxa):

@janis1 (1 taxa):