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City Nature Challenge 2022
For observations made between 2022/04/29 and 2022/05/02
Submissions accepted up to 2022/05/08
Started in 2016 as a competition between San Francisco and Los Angeles, the City Nature Challenge (CNC) has grown into an international event, motivating people around the world to find and document wildlife in their cities. Run by the Community Science teams at the California Academy of Sciences and the Natural History Museum of Los Angeles County, the CNC is an annual four-day global bioblitz at the end of April, where cities are in a collaboration-meets-friendly-competition to see not only what can be accomplished when we all work toward a common goal, but also which city can gather the most observations of nature, find the most species, and engage the most people in the event.
316,566
Identifications
292,428
Observations
43,330
Species
10,900
People
Participating Regions
45,009
Identifications
38,424
Observations
2,765
Species
1,799
People
37,615
Identifications
38,154
Observations
1,570
Species
1,331
People
29,747
Identifications
29,259
Observations
1,339
Species
933
People
22,706
Identifications
22,144
Observations
2,594
Species
1,006
People
19,299
Identifications
17,308
Observations
1,009
Species
410
People
13,439
Identifications
15,094
Observations
3,245
Species
398
People
15,730
Identifications
14,873
Observations
1,087
Species
674
People
11,346
Identifications
10,747
Observations
1,560
Species
184
People
6,092
Identifications
8,380
Observations
1,563
Species
236
People
10.
9,576
Identifications
7,639
Observations
2,141
Species
289
People
7,868
Identifications
7,365
Observations
2,127
Species
213
People
7,218
Identifications
6,536
Observations
1,775
Species
150
People
7,169
Identifications
6,263
Observations
1,348
Species
170
People
6,627
Identifications
6,112
Observations
1,763
Species
248
People
6,005
Identifications
5,656
Observations
816
Species
193
People
5,619
Identifications
5,393
Observations
982
Species
148
People
4,728
Identifications
4,650
Observations
985
Species
229
People
3,849
Identifications
3,794
Observations
1,140
Species
91
People
3,731
Identifications
3,732
Observations
685
Species
162
People
3,636
Identifications
3,668
Observations
508
Species
151
People
3,344
Identifications
3,561
Observations
732
Species
282
People
3,856
Identifications
3,554
Observations
1,079
Species
87
People
3,534
Identifications
3,262
Observations
1,185
Species
80
People
24.
6,041
Identifications
3,147
Observations
794
Species
212
People
2,770
Identifications
2,533
Observations
501
Species
113
People
8,928
Identifications
2,373
Observations
352
Species
107
People
2,559
Identifications
2,339
Observations
800
Species
161
People
2,637
Identifications
2,297
Observations
1,124
Species
147
People
2,354
Identifications
2,195
Observations
897
Species
61
People
2,545
Identifications
2,172
Observations
751
Species
101
People
2,066
Identifications
1,887
Observations
944
Species
123
People
32.
2,008
Identifications
1,521
Observations
319
Species
94
People
33.
1,163
Identifications
1,166
Observations
523
Species
65
People
1,316
Identifications
1,013
Observations
336
Species
62
People
1,080
Identifications
956
Observations
280
Species
12
People
782
Identifications
779
Observations
406
Species
47
People
37.
692
Identifications
621
Observations
398
Species
22
People
463
Identifications
456
Observations
183
Species
29
People
39.
375
Identifications
436
Observations
165
Species
39
People
413
Identifications
421
Observations
176
Species
8
People
363
Identifications
315
Observations
224
Species
19
People
251
Identifications
215
Observations
145
Species
11
People
43.
15
Identifications
16
Observations
12
Species
2
People
2
Identifications
2
Observations
2
Species
1
People
Recent Observations