participating in
For observations made between 2015/01/01 and 2025/06/01
Submissions accepted up to 2025/06/01
The Maidan is a large urban area containing vast urban green space and several public venues in the center of Kolkata, India. The area is spread over a total area of 1283 Acres.
8,923
Identifications
Identifications
1,515
Observations
Observations
295
Species
Species
84
People
People
Top Species
1.
Corvus splendens Vieillot, 1817
68
2.
Acridotheres tristis (Linnaeus, 1766)
64
3.
Milvus migrans (Boddaert, 1783)
57
4.
Columba livia J.F.Gmelin, 1789
51
5.
Gracupica contra (Linnaeus, 1758)
51
6.
Eudynamys scolopaceus (Linnaeus, 1758)
43
7.
Spilopelia chinensis (Scopoli, 1786)
42
8.
Pycnonotus cafer (Linnaeus, 1766)
36
9.
Psittacula krameri (Scopoli, 1769)
35
10.
Ardeola grayii (Sykes, 1832)
34
Top Observers
1.
obsr1099583
{:id=>nil, :score=>7780.0, :percentage=>"24.82"}
2.
obsr904721
{:id=>nil, :score=>1740.0, :percentage=>"5.55"}
3.
diopapillio
{:id=>"6729677", :score=>1320.0, :percentage=>"4.21"}
4.
obsr668293
{:id=>nil, :score=>1220.0, :percentage=>"3.89"}
5.
obsr459560
{:id=>nil, :score=>1160.0, :percentage=>"3.70"}
6.
Karan Matalia
{:id=>nil, :score=>860.0, :percentage=>"2.74"}
7.
obsr1218326
{:id=>nil, :score=>680.0, :percentage=>"2.17"}
8.
prosenjit
{:id=>"325519", :score=>600.0, :percentage=>"1.91"}
9.
swatiudayraj
{:id=>"2301886", :score=>600.0, :percentage=>"1.91"}
10.
obsr1190314
{:id=>nil, :score=>580.0, :percentage=>"1.85"}
Top Species
1.
Corvus splendens Vieillot, 1817
68
2.
Acridotheres tristis (Linnaeus, 1766)
64
3.
Milvus migrans (Boddaert, 1783)
57
4.
Columba livia J.F.Gmelin, 1789
51
5.
Gracupica contra (Linnaeus, 1758)
51
6.
Eudynamys scolopaceus (Linnaeus, 1758)
43
7.
Spilopelia chinensis (Scopoli, 1786)
42
8.
Pycnonotus cafer (Linnaeus, 1766)
36
9.
Psittacula krameri (Scopoli, 1769)
35
10.
Ardeola grayii (Sykes, 1832)
34
11.
Bubulcus ibis (Linnaeus, 1758)
32
12.
Orthotomus sutorius (Pennant, 1769)
32
13.
Microcarbo niger (Vieillot, 1817)
30
14.
Dendrocitta vagabunda (Latham, 1790)
28
15.
Dicrurus macrocercus Vieillot, 1817
28
16.
Oriolus xanthornus (Linnaeus, 1758)
28
17.
Streptopelia decaocto (Frivaldszky, 1838)
28
18.
Passer domesticus (Linnaeus, 1758)
26
19.
Copsychus saularis (Linnaeus, 1758)
26
20.
Psilopogon lineatus (Vieillot, 1816)
26
21.
Argya striata (Dumont, 1823)
25
22.
Psilopogon haemacephalus (P.L.S.Müller, 1776)
25
23.
Treron phoenicopterus (Latham, 1790)
24
24.
Dinopium benghalense (Linnaeus, 1758)
21
25.
Halcyon smyrnensis (Linnaeus, 1758)
21
26.
Psilopogon asiaticus (Latham, 1790)
21
27.
Apus affinis (J.E.Gray, 1830)
19
28.
Acridotheres fuscus (Wagler, 1827)
18
29.
Cypsiurus balasiensis (J.E.Gray, 1829)
18
30.
Cinnyris asiaticus (Latham, 1790)
17
31.
Accipiter badius (Gmelin, 1788)
15
32.
Ficedula albicilla (Pallas, 1811)
14
33.
Merops orientalis Latham, 1801
13
34.
Psittacula eupatria (Linnaeus, 1766)
13
35.
Centropus sinensis (Stephens, 1815)
11
36.
Psittacula alexandri (Linnaeus, 1758)
10
37.
Corvus macrorhynchos Wagler, 1827
10
38.
Sturnia malabarica (Gmelin, 1789)
10
39.
Acrocephalus dumetorum Blyth, 1849
10
40.
Athene brama (Temminck, 1821)
9
41.
Amaurornis phoenicurus (Pennant, 1769)
9
42.
Phylloscopus inornatus (Blyth, 1842)
9
43.
Bougainvillea glabra
9
44.
Actitis hypoleucos (Linnaeus, 1758)
8
45.
Anastomus oscitans (Boddaert, 1783)
8
46.
Plantae
8
47.
Motacilla alba Linnaeus, 1758
7
48.
Anthus rufulus Vieillot, 1818
7
49.
Phalacrocorax fuscicollis Stephens, 1826
6
50.
Anthus godlewskii (Taczanowski, 1876)
6
51.
Pycnonotus jocosus (Linnaeus, 1758)
6
52.
Lanius cristatus Linnaeus, 1758
5
53.
Magnoliopsida
5
54.
Funambulus pennantii Wroughton, 1905
5
55.
Phylloscopus trochiloides (Sundevall, 1837)
5
56.
Leptocoma zeylonica (Linnaeus, 1766)
5
57.
Ficus religiosa
4
58.
Mussaenda
4
59.
Funambulus pennantii
4
60.
Dicaeum erythrorhynchos (Latham, 1790)
4
61.
Pelargopsis capensis (Linnaeus, 1766)
4
62.
Phylloscopus magnirostris Blyth, 1843
4
63.
Pseudozizeeria maha (Kollar, 1848)
4
64.
Falco peregrinus Tunstall, 1771
3
65.
Nycticorax nycticorax (Linnaeus, 1758)
3
66.
Tracheophyta
3
67.
Gaillardia pulchella
3
68.
Tabernaemontana
3
69.
Crocothemis servilia (Drury, 1773)
3
70.
Luthrodes pandava
3
71.
Elymnias hypermnestra Linnaeus, 1763
3
72.
Hypolimnas bolina (Linnaeus, 1758)
3
73.
Jamides bochus Stoll, 1782
3
74.
Pernis ptilorhynchus (Temminck, 1821)
2
75.
Hirundo rustica Linnaeus, 1758
2
76.
Peltophorum pterocarpum (DC.) Backer ex K.Heyne
2
77.
Egretta garzetta (Linnaeus, 1766)
2
78.
Oriolus chinensis Linnaeus, 1766
2
79.
Catharanthus roseus (L.) G.Don
2
80.
Ficus benghalensis
2
81.
Lagerstroemia speciosa
2
82.
Butea monosperma (Lam.) Kuntze
2
83.
Lagerstroemia speciosa (L.) Pers.
2
84.
Magnolia champaca
2
85.
Alstonia scholaris
2
86.
Tecoma
2
87.
Lagerstroemia indica
2
88.
Petunia
2
89.
Petunioideae
2
90.
Cosmos sulphureus Cav.
2
91.
Euphorbia tithymaloides
2
92.
Caesalpinia pulcherrima
2
93.
Kopsia fruticosa (Ker Gawl.) A.DC.
2
94.
Euphorbia milii
2
95.
Combretum indicum
2
96.
Myrmosericus
2
97.
Phyllanthus
2
98.
Monoon longifolium (Sonn.) B.Xue & R.M.K.Saunders
2
99.
Crescentia cujete
2
100.
Alternanthera
2
101.
Evolvulus nummularius
2
102.
Ricinus communis L.
2
103.
Zizina otis (Fabricius, 1787)
2
104.
Azadirachta indica
2
105.
Ficedula superciliaris (Jerdon, 1840)
2
106.
Orthetrum sabina (Drury, 1773)
2
107.
Neurothemis tullia (Drury, 1773)
2
108.
Dendrocopos macei (Vieillot, 1818)
2
109.
TBD
2
110.
Phalacrocorax carbo (Linnaeus, 1758)
2
111.
Terminalia catappa L.
1
112.
Hibiscus rosa-sinensis L.
1
113.
Acacia auriculiformis A.Cunn. ex Benth.
1
114.
Caesalpinia pulcherrima (L.) Sw.
1
115.
Gallinula chloropus (Linnaeus, 1758)
1
116.
Ardea intermedia Wagler, 1829
1
117.
Antilochus coquebertii
1
118.
Probergrothius nigricornis
1
119.
Ficus prolixa
1
120.
Crotalaria pallida
1
121.
Ipomoea aquatica
1
122.
Typha angustifolia
1
123.
Dalbergia sissoo Roxb. ex DC.
1
124.
Luffa aegyptiaca
1
125.
Tectona grandis
1
126.
Bauhinia
1
127.
Psidium guajava
1
128.
Grewia asiatica L.
1
129.
Samanea saman
1
130.
Melia azedarach
1
131.
Holarrhena
1
132.
Neolamarckia cadamba
1
133.
Meliaceae
1
134.
Bixa orellana
1
135.
Rivina humilis
1
136.
Amaranthus
1
137.
Bougainvillea spectabilis
1
138.
Tagetes
1
139.
Passiflora
1
140.
Bubulcus ibis coromandus (Boddaert, 1783)
1
141.
Columba livia var. domestica J.F.Gmelin, 1789
1
142.
Litsea rotundifolia
1
143.
Bougainvillea peruviana
1
144.
Ravenia
1
145.
Phoenix roebelenii
1
146.
Crepidinae
1
147.
Lamiales
1
148.
Helianthus annuus
1
149.
Lantana
1
150.
Ficus citrifolia
1
151.
Cotinus coggygria
1
152.
Firmiana simplex
1
153.
Mangifera indica
1
154.
Trigastrotheca molluginea
1
155.
Macrozamia
1
156.
Plumeria obtusa
1
157.
Bambuseae
1
158.
Acalypha rhomboidea
1
159.
Bougainvillea
1
160.
Livistona chinensis (Jacq.) R.Br. ex Mart.
1
161.
Duranta erecta L.
1
162.
Duranta erecta
1
163.
Mirabilis albida
1
164.
Petunia integrifolia
1
165.
Solanales
1
166.
Parasola
1
167.
Galinsoga parviflora
1
168.
Gomphrena globosa L.
1
169.
Cordyline petiolaris
1
170.
Tabernaemontana divaricata (L.) R.Br. ex Roem. & Schult.
1
171.
Furcraea foetida
1
172.
Bismarckia nobilis
1
173.
Bixa orellana L.
1
174.
Kleinhovia hospita L.
1
175.
Canna indica
1
176.
Tecoma stans (L.) Juss. ex Kunth
1
177.
Gaillardia
1
178.
Coleus
1
179.
Alternanthera sessilis
1
180.
Lantana camara L.
1
181.
Passer domesticus
1
182.
Monoon longifolium
1
183.
Urva edwardsii
1
184.
Sapindales
1
185.
Corvus
1
186.
Angiospermae
1
187.
Camponotus compressus
1
188.
Danaus
1
189.
Pieridae
1
190.
Papilionoidea
1
191.
Dysdercus cingulatus
1
192.
Helicteres isora
1
193.
Bignoniaceae
1
194.
Combretum indicum (L.) De Filipps
1
195.
Putranjiva roxburghii
1
196.
Cassia fistula
1
197.
Ficus benghalensis L.
1
198.
Ficus microcarpa
1
199.
Enterolobium cyclocarpum
1
200.
Albizia niopoides
1
201.
Cochlospermum religiosum
1
202.
Adansonia digitata
1
203.
Cordia sebestena
1
204.
Hibiscus tiliaceus
1
205.
Firmiana colorata
1
206.
Toona ciliata
1
207.
Bischofia javanica
1
208.
Dolichandrone spathacea
1
209.
Litsea glutinosa
1
210.
Rivina humilis L.
1
211.
Gamochaeta
1
212.
Physalis angulata L.
1
213.
Tridax procumbens
1
214.
Cleome rutidosperma DC.
1
215.
Eclipta prostrata
1
216.
Saraca indica
1
217.
Oldenlandia corymbosa
1
218.
Rungia repens
1
219.
Acmella
1
220.
Rungia pectinata
1
221.
Grona triflora
1
222.
Euphorbia hirta L.
1
223.
Xanthium strumarium L.
1
224.
Pithecellobium dulce
1
225.
Urena lobata
1
226.
Rhyothemis variegata (Linnaeus, 1763)
1
227.
Solanum americanum Mill.
1
228.
Coccinia grandis
1
229.
Asystasia gangetica (L.) T.Anderson
1
230.
Oriolus chinensis
1
231.
Cestrum nocturnum
1
232.
Motacilla maderaspatensis Gmelin, 1789
1
233.
Anthus richardi Vieillot, 1818
1
234.
Perina nuda Fabricius, 1787
1
235.
Aegithina tiphia (Linnaeus, 1758)
1
236.
Fowlea piscator (Schneider, 1799)
1
237.
Zizula hylax (Fabricius, 1775)
1
238.
Oriolus kundoo Sykes, 1832
1
239.
Phylloscopus humei (W.E.Brooks, 1878)
1
240.
Urva auropunctata (Hodgson, 1836)
1
241.
Micropternus brachyurus (Vieillot, 1818)
1
242.
Trithemis pallidinervis (Kirby, 1889)
1
243.
Diplacodes nebulosa (Fabricius, 1793)
1
244.
Melanotelus bipunctatus (Dallas, 1852)
1
245.
Catopsilia pomona (Fabricius, 1775)
1
246.
Ypthima huebneri Kirby, 1871
1
247.
Neptis hylas Linnaeus, 1758
1
248.
Moduza procris
1
249.
Aspidimorpha miliaris (Fabricius, 1775)
1
250.
Spialia galba (Fabricius, 1793)
1
251.
Delias eucharis (Drury, 1773)
1
252.
Acraea terpsicore (Linnaeus, 1758)
1
253.
Danaus chrysippus (Linnaeus, 1758)
1
254.
Eristalinus megacephalus (Rossi, 1794)
1
255.
Cephonodes hylas Linnaeus, 1771
1
256.
Spoladea recurvalis (Fabricius, 1775)
1
257.
Acisoma panorpoides Rambur, 1842
1
258.
Amphiallagma parvum (Selys, 1876)
1
259.
Prinia inornata Sykes, 1832
1
260.
Apis cerana Fabricius, 1793
1
261.
Apis florea Fabricius, 1787
1
262.
Papilio polytes Linnaeus, 1758
1
263.
Pseudagrion rubriceps Selys, 1876
1
264.
Rapala manea (Hewitson, 1863)
1
265.
Graphium agamemnon (Linnaeus, 1758)
1
266.
Rhysida longipes Newport, 1845
1
267.
Ypthima huebneri
1
268.
Nephrolepis falcata
1
269.
Fungi
1
270.
Bradinopyga geminata
1
271.
Mycalesis mineus Linnaeus, 1858
1
272.
Torenia crustacea
1
273.
Trametes
1
274.
Leucocoprinus
1
275.
Justicia procumbens
1
276.
Cnaphalocrocis medinalis (Guenée, 1854)
1
277.
Brachythemis contaminata (Fabricius, 1793)
1
278.
Tholymis tillarga (Fabricius, 1798)
1
279.
Bubulcus coromandus
1
280.
Melanitis leda
1
281.
Ardeola grayii
1
282.
Sagittaria montevidensis
1
283.
Coccinellini
1
284.
Phylloscopus fuscatus (Blyth, 1842)
1
285.
Urena lobata L.
1
286.
Upupa epops Linnaeus, 1758
1
287.
Helianthus annuus L.
1
288.
Mimusops elengi L.
1
289.
Plumbago auriculata Lam.
1
290.
Dendrocygna javanica (Horsfield, 1821)
1
291.
Ipomoea indica (Burm.) Merr.
1
292.
Anthus hodgsoni Richmond, 1907
1
293.
Tyto alba (Scopoli, 1769)
1
294.
Hieraaetus pennatus (Gmelin, 1788)
1
295.
Gracula religiosa Linnaeus, 1758
1
296.
Metopidius indicus (Latham, 1790)
1
Top People
1.
obsr1099583
{:id=>nil, :score=>7780.0, :percentage=>"24.82"}
2.
obsr904721
{:id=>nil, :score=>1740.0, :percentage=>"5.55"}
3.
diopapillio
{:id=>"6729677", :score=>1320.0, :percentage=>"4.21"}
4.
obsr668293
{:id=>nil, :score=>1220.0, :percentage=>"3.89"}
5.
obsr459560
{:id=>nil, :score=>1160.0, :percentage=>"3.70"}
6.
Karan Matalia
{:id=>nil, :score=>860.0, :percentage=>"2.74"}
7.
obsr1218326
{:id=>nil, :score=>680.0, :percentage=>"2.17"}
8.
prosenjit
{:id=>"325519", :score=>600.0, :percentage=>"1.91"}
9.
swatiudayraj
{:id=>"2301886", :score=>600.0, :percentage=>"1.91"}
10.
obsr1190314
{:id=>nil, :score=>580.0, :percentage=>"1.85"}
11.
obsr604291
{:id=>nil, :score=>580.0, :percentage=>"1.85"}
12.
obsr1616805
{:id=>nil, :score=>520.0, :percentage=>"1.66"}
13.
obsr1070169
{:id=>nil, :score=>500.0, :percentage=>"1.60"}
14.
obsr690319
{:id=>nil, :score=>500.0, :percentage=>"1.60"}
15.
majoshionna
{:id=>"6756146", :score=>480.0, :percentage=>"1.53"}
16.
obsr1589183
{:id=>nil, :score=>460.0, :percentage=>"1.47"}
17.
obsr2343346
{:id=>nil, :score=>460.0, :percentage=>"1.47"}
18.
Prosenjit Dawn
{:id=>"325519", :score=>460.0, :percentage=>"1.47"}
19.
obsr978490
{:id=>nil, :score=>460.0, :percentage=>"1.47"}
20.
obsr1007385
{:id=>nil, :score=>440.0, :percentage=>"1.40"}
21.
Arjaita,Anushka,RMG,Arushi,Rwiddhi
{:id=>"6729677", :score=>420.0, :percentage=>"1.34"}
22.
obsr2650203
{:id=>nil, :score=>420.0, :percentage=>"1.34"}
23.
obsr471415
{:id=>nil, :score=>400.0, :percentage=>"1.28"}
24.
danielcahen
{:id=>"205067", :score=>400.0, :percentage=>"1.28"}
25.
Navaneeth Sini George
{:id=>nil, :score=>380.0, :percentage=>"1.21"}
26.
obsr1046871
{:id=>nil, :score=>380.0, :percentage=>"1.21"}
27.
obsr1025772
{:id=>nil, :score=>360.0, :percentage=>"1.15"}
28.
obsr620324
{:id=>nil, :score=>360.0, :percentage=>"1.15"}
29.
debjit1
{:id=>"6672549", :score=>360.0, :percentage=>"1.15"}
30.
obsr1295109
{:id=>nil, :score=>320.0, :percentage=>"1.02"}
31.
obsr241057
{:id=>nil, :score=>320.0, :percentage=>"1.02"}
32.
obsr464041
{:id=>nil, :score=>320.0, :percentage=>"1.02"}
33.
obsr2649116
{:id=>nil, :score=>300.0, :percentage=>"0.96"}
34.
obsr111997
{:id=>nil, :score=>260.0, :percentage=>"0.83"}
35.
obsr673483
{:id=>nil, :score=>260.0, :percentage=>"0.83"}
36.
obsr895918
{:id=>nil, :score=>240.0, :percentage=>"0.77"}
37.
Daniel Cahen
{:id=>"205067", :score=>240.0, :percentage=>"0.77"}
38.
obsr871436
{:id=>nil, :score=>240.0, :percentage=>"0.77"}
39.
madhurima8
{:id=>"6729705", :score=>240.0, :percentage=>"0.77"}
40.
obsr1006462
{:id=>nil, :score=>220.0, :percentage=>"0.70"}
41.
obsr1008831
{:id=>nil, :score=>220.0, :percentage=>"0.70"}
42.
obsr576508
{:id=>nil, :score=>220.0, :percentage=>"0.70"}
43.
obsr563565
{:id=>nil, :score=>200.0, :percentage=>"0.64"}
44.
obsr2698867
{:id=>nil, :score=>200.0, :percentage=>"0.64"}
45.
obsr737357
{:id=>nil, :score=>180.0, :percentage=>"0.57"}
46.
obsr2930800
{:id=>nil, :score=>180.0, :percentage=>"0.57"}
47.
obsr1399428
{:id=>nil, :score=>160.0, :percentage=>"0.51"}
48.
obsr538366
{:id=>nil, :score=>140.0, :percentage=>"0.45"}
49.
obsr1876573
{:id=>nil, :score=>120.0, :percentage=>"0.38"}
50.
tarak_naturemates
{:id=>"6583765", :score=>120.0, :percentage=>"0.38"}
51.
dipesh99
{:id=>"6793554", :score=>100.0, :percentage=>"0.32"}
52.
drommy
{:id=>"1135329", :score=>100.0, :percentage=>"0.32"}
53.
bramblefruits
{:id=>"4723038", :score=>100.0, :percentage=>"0.32"}
54.
sridipta18
{:id=>"5788910", :score=>100.0, :percentage=>"0.32"}
55.
icosaedre
{:id=>nil, :score=>100.0, :percentage=>"0.32"}
56.
pramoth_97
{:id=>"3248085", :score=>100.0, :percentage=>"0.32"}
57.
nilarunmanna
{:id=>"3451808", :score=>100.0, :percentage=>"0.32"}
58.
manisitdas
{:id=>"2317979", :score=>100.0, :percentage=>"0.32"}
59.
Scott Edmunds
{:id=>"474634", :score=>80.0, :percentage=>"0.26"}
60.
obsr1911223
{:id=>nil, :score=>80.0, :percentage=>"0.26"}
61.
obsr593874
{:id=>nil, :score=>80.0, :percentage=>"0.26"}
62.
obsr863931
{:id=>nil, :score=>60.0, :percentage=>"0.19"}
63.
obsr932042
{:id=>nil, :score=>60.0, :percentage=>"0.19"}
64.
Jeff Harding
{:id=>nil, :score=>60.0, :percentage=>"0.19"}
65.
obsr1218125
{:id=>nil, :score=>40.0, :percentage=>"0.13"}
66.
obsr428901
{:id=>nil, :score=>40.0, :percentage=>"0.13"}
67.
sancharim
{:id=>"3523063", :score=>40.0, :percentage=>"0.13"}
68.
sahilhasankabir
{:id=>nil, :score=>40.0, :percentage=>"0.13"}
69.
obsr1521070
{:id=>nil, :score=>40.0, :percentage=>"0.13"}
70.
Sayondeep Choudhury
{:id=>nil, :score=>40.0, :percentage=>"0.13"}
71.
clumsybotanist1712
{:id=>"7433098", :score=>40.0, :percentage=>"0.13"}
72.
wild_wild_nature
{:id=>"6735454", :score=>20.0, :percentage=>"0.06"}
73.
Aniruddha Singhamahapatra
{:id=>"951127", :score=>20.0, :percentage=>"0.06"}
74.
a_hussain
{:id=>"5645166", :score=>20.0, :percentage=>"0.06"}
75.
Sayak Dolai
{:id=>nil, :score=>20.0, :percentage=>"0.06"}
76.
obsr466012
{:id=>nil, :score=>20.0, :percentage=>"0.06"}
77.
vidhyas
{:id=>nil, :score=>20.0, :percentage=>"0.06"}
78.
Purab Chowdhury
{:id=>nil, :score=>20.0, :percentage=>"0.06"}
79.
Priyanjana Pramanik
{:id=>"4044440", :score=>20.0, :percentage=>"0.06"}
80.
judysmart51
{:id=>"3669470", :score=>20.0, :percentage=>"0.06"}
81.
Rickta Roy
{:id=>"6699872", :score=>20.0, :percentage=>"0.06"}
82.
arpita_dash
{:id=>"7472378", :score=>20.0, :percentage=>"0.06"}
83.
rootea
{:id=>"6326479", :score=>20.0, :percentage=>"0.06"}
84.
titash
{:id=>"6154061", :score=>20.0, :percentage=>"0.06"}
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