|
Number of bird species that became extinct in tropical oceania islands in approximately 2000 years, since human colonization
|
Biosphere |
1800 |
bird species |
117273 |
Khan S et al., Overview... |
|
Current (sixth, or anthropocene) extinction rates compared to natural background rates of extinction
|
Biosphere |
current 1,000: future likely to be 10,000 |
times higher than background extinction rate |
117272 |
Khan S et al., Overview... |
|
Number of species going extinct per day in the sixth (anthropocene) extinction
|
Biosphere |
≤150 |
species/day |
117271 |
Kaebnick GE, Jennings... |
|
Number of described species
|
Invertebrates |
~1.4 |
million species |
117270 |
Régnier C et al., Mass... |
|
Fraction of of the 1.9 million known recent species that are recorded as extinct
|
Biosphere |
0.04 ((799 species)) |
% |
117269 |
Régnier C et al., Mass... |
|
Fraction of number of individual animals that once shared the Earth with humans that are extinct
|
Biosphere |
≤50 |
% of individual animals |
117268 |
Ceballos G, Ehrlich PR... |
|
Fraction of insect species per taxonomic order that have contracting ranges in the UK
|
Biosphere |
30 - 60 |
% of species per taxonomic order |
117267 |
Ceballos G, Ehrlich PR... |
|
Percentage of decreasing species classified by IUCN (International Union for Conservation of Nature) as "endangered" or "low concern" in terrestrial vertebrates
|
Vertebrates |
Table - link |
% |
117266 |
Ceballos G, Ehrlich PR... |
|
Decrease in wildlife on Earth between 1970 and 2012
|
Biosphere |
≤58 |
% |
117265 |
Ceballos G, Ehrlich PR... |
|
Fraction of 3,623 terrestrial invertebrate species and of 1,306 marine invertebrate species that are classified as threatened with extinction
|
Invertebrates |
terrestrial species 42%: marine species 25% |
% |
117264 |
Ceballos G, Ehrlich PR... |
|
Fraction of land vertebrates including reptiles, birds, and amphibians that are experiencing a decline and losses in local population
|
Biosphere |
~30 |
% |
117263 |
The Lancet Planetary... |
|
Rate of species extinction in sixth (anthropocene) mass extinction compared to the “normal rate” throughout geological time
|
Biosphere |
100 |
times greater than “normal rate” |
117262 |
Ceballos G, Ehrlich PR.... |
|
Plant species richness and fire-response traits in the five Mediterranean-type climate regions of the world
|
Biosphere |
Table - link |
N/A |
117261 |
Rundel PW et al., Fire... |
|
Fraction of world vascular plant flora that Mediterranean-type climate (MTC) regions (covering only about 2.2% of world land area) are home to
|
Biosphere |
16.7 |
% of world vascular plant flora |
117260 |
Rundel PW et al., Fire... |
|
Fraction of all species that are at high risk of extinction as of 2004
|
Amphibians |
~40 |
% of all species |
117259 |
Wake DB, Koo MS. Amphibians.... |
|
The amphibian tree of life
|
Amphibians |
Table - link |
number of species for major clades |
117258 |
Wake DB, Koo MS. Amphibians.... |
|
Time it would take the ~5,400 current mammal species to evolve enough new history to restore net phylogenetic diversity (PD) to preanthropogenic levels
|
Biosphere |
~500,000 |
years |
117257 |
Davis M, Faurby S, Svenning... |
|
Loss of evolutionary history across mammalian orders (Expected contribution to phylogenetic diversity (PD))
|
Biosphere |
Table - link |
N/A |
117256 |
Davis M, Faurby S, Svenning... |
|
Number of mammals that have gone extinct during the sixth mass extinction that started in the Late Pleistocene
|
Biosphere |
>300 |
mammal species |
117255 |
Davis M, Faurby S, Svenning... |
|
Lifetime prevalence of cluster headache
|
Human Homo sapiens |
0.12 |
% |
117254 |
Nesbitt AD, Goadsby PJ.... |