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There are 5,213,639 records for the marine realm which fall into the categories below and are contained in 229 studies.
Rockhopper penguins

Marine birds

318,900 records in 11 studies.
School of fish

Marine fish

1,682,188 records in 67 studies.
Antarctic krill

Marine invertebrates

2,190,895 records in 118 studies.
Photo by Uwe Kils from WikiCommons
Pod of dolphins

Marine mammals

11,121 records in 3 studies.
Seagrass

Marine plants

101,821 records in 12 studies.
Marine shoreline

Other marine

908,714 records in 18 studies.
Photo by Wirestock
There are 5,145,666 records for the terrestrial realm which fall into the categories below and are contained in 328 studies.
Poison dart frog

Terrestrial amphibians

331,079 records in 8 studies.
Parrots and eagles in flight

Terrestrial birds

2,548,333 records in 65 studies.
Dragonflies in water

Terrestrial invertebrates

686,885 records in 62 studies.
Photo by Uwe Kils from WikiCommons
Fruit bats hanging in a tree

Terrestrial mammals

184,560 records in 34 studies.
Tree canopy

Terrestrial plants

1,346,372 records in 141 studies.
Lizard

Terrestrial reptiles

8,639 records in 8 studies.
Fungi

Fungi

2,872 records in 3 studies.
Photo by Wirestock
Flock of birds over field

Other terrestrial

36,926 records in 7 studies.
There are 1,731,789 records for the freshwater realm which fall into the categories below and are contained in 151 studies.
Frog in water

Freshwater amphibians

4,210 records in 6 studies.
River full of piranhas

Freshwater fish

778,404 records in 64 studies.
Water strider insect

Freshwater invertebrates

788,870 records in 61 studies.
Pond covered with plants

Freshwater plants

114,929 records in 10 studies.
Terrapin turtle

Freshwater reptiles

46 records in 1 studies.
Freshwater birds

Freshwater birds

9,417 records in 6 studies.
Photo by Wirestock
River landscape

Other freshwater

35,913 records in 3 studies.
Photo by Wirestock

Cite BioTIME

Maria Dornelas, Laura H. Antão, Amanda E. Bates, Viviana Brambilla, Jonathan M. Chase, Cher F. Y. Chow, Ada Fontrodona-Eslava, Anne E. Magurran, Inês S. Martins, Faye Moyes, Alban Sagouis, et al. BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series. Global Ecol Biogeogr. 2025; 34(5):e70003. https://doi.org/10.1111/geb.70003

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Funding

BioTIME is hosted and based at the University of St Andrews. It grew out of the European Research Council grant AdG BioTIME 250189 awarded to Anne Magurran and European Research Council grant PoC BioCHANGE 727440 awarded to Anne Magurran and Maria Dornelas. The project is supported by the European Research Council grant AdG MetaCHANGE 101098020 awarded to Jonathan Chase and the Leverhulme Centre for Anthropocene Biodiversity grant RC-2018-021 awarded to Maria Dornelas. Please consider donating to support the database and enable further research.

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