Website status: All systems goanna.
Sian Ka’an Complex Realm
2129.58
BioScore
                
    Locality  (5.0x)
- - - - - -
   Greater Region  (12.5x)
The Sian Ka’an Complex is one of Mexico’s most ecologically rich conservation areas, spanning over 657,000 hectares across four officially protected areas. Located in Quintana Roo on the Yucatán Peninsula, this complex encompasses both terrestrial and marine ecosystems of global ecological significance. It is home to tropical forests, savannas, wetlands, mangroves, lagoons, and part of the Mesoamerican Barrier Reef, the second-largest coral reef system in the world.
3,555
Identifications
2,812
Observations
849
Species
306
People (96  active)
From - 2012-09-14

To - 2025-12-03

Observation Score
Species Score
Activity Score
Total vs Locality
1.27 %
6.29 %
2.76 %
Total vs Greater Region
0.6 %
3.18 %
1.38 %
This Year vs Total
26.02 %
55.38 %
31.48 %
Last Two Years vs Total
55.92 %
79.55 %
55.41 %
Top Species
1.
Fregata magnificens Mathews, 1914
53
2.
Pelecanus occidentalis Linnaeus, 1766
52
3.
Pandion haliaetus (Linnaeus, 1758)
48
4.
Tigrisoma mexicanum Swainson, 1834
37
5.
Ctenosaura similis (Gray, 1831)
32
6.
Egretta tricolor (Statius Muller, 1776)
30
7.
Platalea ajaja Linnaeus, 1758
29
8.
Mimus gilvus (Vieillot, 1808)
29
9.
Tursiops truncatus (Montagu, 1821)
28
10.
Coragyps atratus (Bechstein, 1793)
25
Top Observers
1.
Elias
317
2.
axelvasquez20
149
3.
Pedro D. Yuit Mex
91
4.
Maksymilian Wojtkiewicz
82
5.
obsr915536
64
6.
obsr746484
54
7.
aylos
53
8.
hlinak
44
9.
Dra. Laura Elvia Uribe Lara
39
10.
chrisdt
39
Contests In Progress
For observations made between 2020/03/12 and 2040/03/12
Submissions accepted up to 2040/03/12
3,555
Identifications
2,812
Observations
849
Species
306
People
For observations made between 2018/01/01 and 2028/01/01
Submissions accepted up to 2028/01/01
Rehabilitate, rewild, rejuvenate, reconnect with the natural world!
3,555
Identifications
2,812
Observations
849
Species
306
People
For observations made between 2018/01/01 and 2028/01/01
Submissions accepted up to 2028/01/01
City, state and national parks are a great place to record nature's story.
3,555
Identifications
2,812
Observations
849
Species
306
People
For observations made between 2015/01/01 and 2035/06/01
Submissions accepted up to 2035/06/01
Guardians of Earth is a Play-Earn-Protect game designed to help save life on Earth. GuardiansofEarth.io
3,555
Identifications
2,812
Observations
849
Species
306
People
Recent Observations