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For observations made between 2015/01/01 and 2025/06/01
Submissions accepted up to 2025/06/01
A year-long survey of an ordinary urban lot found over 1000 unique species, revealing a great diversity of life. The residents only expected to find 250–300 species. When they informally surveyed ecologists at a conference, showing them a photo of the property and a map of its location, most guessed similar numbers. Within weeks, they shot past their initial biodiversity estimate. Within two months, they tripled it. By the end of the year, they had identified a staggering 1150 unique species, including 1034 animals (948 arthropods — insects and their relatives), 103 plants, and 13 fungi.
2,336
Identifications
1,678
Observations
918
Species
2
People
Top Species
1.
Avatha discolor
15
2.
Gelechioidea
14
3.
Parilyrgis concolor
12
4.
Oecophoridae
11
5.
Spodoptera mauritia
11
6.
Lepidoptera
10
7.
Achaea janata
10
8.
Gymnoscelis lophopus
10
9.
Herpetogramma licarsisalis
9
10.
Psocodea
9
Top Observers
1.
matthew_holden
{:id=>"2722971", :score=>57180.0, :observations_count=>955, :species_count=>560, :percentage=>"56.21"}
2.
rqy-yong
{:id=>"3201644", :score=>44540.0, :observations_count=>723, :species_count=>534, :percentage=>"43.79"}
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