Rarest Species of Gibbon — All 20 Answers Ranked by Rarity

20 gibbon species are accepted answers for “Name a species of gibbon”. Western grey gibbon is the rarest species of gibbon in this ranking, with 2,890 monthly Wikipedia views (rarity 1.000, Legendary). Northern buffed-cheeked gibbon is the second-rarest with 3,162 monthly Wikipedia views, 1.09× the figure for Western grey gibbon. Siamang is the most common species of gibbon in this ranking, with 63,753 monthly Wikipedia views, 22.1× the figure for the rarest. Combined monthly Wikipedia views across the 20 answers: 264,037. Western grey gibbon is 1.1% of that total. 4 answers are Epic or Legendary: Western grey gibbon (Legendary), Northern buffed-cheeked gibbon (Legendary), Eastern grey gibbon (Epic), and 1 more.

Quick answer

Monthly English Wikipedia pageviews. Source: Wikidata + Wikipedia pageviews (2026-10).

Ranked answers

20 answers to “Name a species of gibbon”, rarest first. A rarity of 1 is the rarest answer in this prompt.
Rank	Answer	Tier	Rarity	Monthly Wikipedia views
1	Western grey gibbon on Wikipedia	Legendary	1.000	2,890
2	Northern buffed-cheeked gibbon on Wikipedia	Legendary	0.947	3,162
3	Eastern grey gibbon on Wikipedia	Epic	0.895	3,474
4	Kloss's gibbon on Wikipedia	Epic	0.842	4,434
5	Southern white-cheeked gibbon on Wikipedia	Rare	0.789	4,670
6	Bornean white-bearded gibbon on Wikipedia	Rare	0.737	4,983
7	Müller's gibbon on Wikipedia	Rare	0.684	5,903
8	Skywalker hoolock gibbon on Wikipedia	Rare	0.632	6,117
9	Eastern hoolock gibbon on Wikipedia	Uncommon	0.579	6,451
10	Yellow-cheeked gibbon on Wikipedia	Uncommon	0.526	7,606
11	Eastern black crested gibbon on Wikipedia	Uncommon	0.474	7,735
12	Pileated gibbon on Wikipedia	Uncommon	0.421	9,086
13	Black crested gibbon on Wikipedia	Familiar	0.368	9,162
14	Silvery gibbon on Wikipedia	Familiar	0.316	10,393
15	Agile gibbon on Wikipedia	Familiar	0.263	10,440
16	Western hoolock gibbon on Wikipedia	Familiar	0.211	11,598
17	Northern white-cheeked gibbon on Wikipedia	Common	0.158	17,705
18	Hainan black crested gibbon on Wikipedia	Common	0.105	21,032
19	Lar gibbon on Wikipedia	Common	0.053	53,443
20	Siamang on Wikipedia	Common	0.000	63,753

FAQ

What is the rarest species of gibbon?

Western grey gibbon is the rarest species of gibbon in this ranking, with 2,890 monthly Wikipedia views (rarity 1.000, Legendary).

How many species of gibbon are there?

There are 20 species of gibbon in this ranking, from Western grey gibbon (rarest) to Siamang (most common).

What is the most common species of gibbon?

Siamang is the most common species of gibbon in this ranking, with 63,753 monthly Wikipedia views (Common).

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Sources

Recorded source: Wikidata + Wikipedia pageviews (2026-10). The answer list is compiled from Wikidata (CC0), and the view counts are monthly English Wikipedia pageviews. Rarity is the percentile of the popularity figure inside this prompt: 1 is the rarest and 0 is the most common. Linked names open the English Wikipedia article stored on that answer.