Talk:Golden lion tamarin

A fact from Golden lion tamarin appeared on Wikipedia's Main Page in the Did you know column on 26 February 2004. The text of the entry was as follows:

Did you know... that the endangered golden lion tamarin has a long, but not prehensile, tail?

A record of the entry may be seen at Wikipedia:Recent additions/2004/February.

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Comments on Expanding Article

The Golden lion tamarin has significant differences from the first two that I commented on. It has noticeably fewer categories and pictures that relate to the categories. The first thing I noticed was that the lead of the article was very short, only one paragraph. Instead of having an anatomy and physiology section, it simply has a section titled “physical characteristics.” This is a short section about what the Tamarin looks like, but it does not include a full picture of the tamarin but rather just a close up of its face. Under behavior, there are subsections about the social structure and the reproduction of the species. The social structure section mainly includes information about the aggressive nature of the animals and how social order is maintained through aggression. More could be included here about the kinship relationships. In the reproduction subsection, rearing of the infant Tamarins is discussed. I would like to see more discussed here about altruism. There is no information in the talk section. This is very surprising as the article falls into the top importance category yet is only a c-class article. My group could contribute to this article by suggesting and making improvements so that this article could be put up for review to become a GA- class article. E.middlebrook (talk) 19:49, 25 September 2012 (UTC)[reply]

I would like to do some comments abou the references: I observed that many scientific articles used here don't refer to golden lion tamarin, but to golden-headed lion tamarin. They are different species and inhabit different kind of forests and have conservation status different too. While GLT is restrict to rio São João basin, GHLT has a more wide distribuion. Some date about the status, conservation and ecology of this species aren't applicable to golden lion tamarin.Miguelrangeljr (talk) 20:44, 24 April 2013 (UTC)Miguelrangeljr[reply]

Please, which animals are predators of these primates? Is it possible that they prey on each other, also? Tapered (talk) 09:27, 22 October 2015 (UTC)[reply]

External links modified

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External links modified

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Update population numbers

Hello everybody:

Writing to post about possible changes on golden lion tamarin population numbers and distribution mentioned in the first paragraph and Habitat and Distribution section of the page, to reflect a more recent survey and other up-to-date information.

Current wording from first paragraph: "The range for wild individuals is spread across four places along southeastern Brazil, with a recent census estimating 3,200 individuals left in the wild." (Note the reference to "four places" is incorrect).

Proposed wording (with other minor edits to accommodate): "The geographic range is entirely within the state of Rio de Janeiro. A 2022/2023 census estimated about 4,700 individuals living in the current primary area of occurrence in the non-coastal area of the São João and Macaé river basins, with unknown but smaller additional numbers in limited coastal forests and to the west of the primary area of occurrence."

Dietz et al. 2024, Rylands et al. 2002, Burity et al. 2007, Rubião et al. 2022 to be cited. Can provide full references in Talk if helpful.

Current related wording in Habitat and Distribution: "Today, this tamarin is confined to three small areas of the tropical rain forest in southeastern Brazil: Poço das Antas Biological Reserve, Fazenda União Biological Reserve, and private land through the Reintroduction Program." (note that reference to "three areas" is incorrect, and in conflict with the reference to "four places" in the first paragraph).

Proposed wording (with other minor edits to accommodate): Today, the species is confined to remaining small areas of lowland tropical rain forest in the state of Rio de Janeiro, including Poço das Antas Biological Reserve, União Biological Reserve, additional protected areas, and privately-owned areas of forest. A 2022/2023 census estimated about 4,700 individuals living in the current primary area of occurrence in the non-coastal area of the São João and Macaé river basins, with unknown but smaller additional numbers in limited coastal forests and to the west of the primary area of occurrence.

Same citations as above.

Also, I'm proposing to remove “also known as the golden marmoset” from the first paragraph. I think this name has hardly ever been used in popular or scientific literature, and believe that most of the places you can find it on the web are a result of pickup from the Wikipedia page itself. Alternatively, although not first preference, add “lion” between “golden” and “marmoset”. While not used today, it is a name that was used in the past.

Looking forward to questions, comments, discussion.

Andrew Baker Andrew Baker GLT (talk) 17:06, 6 April 2025 (UTC)[reply]

I should note that I have recently co-authored a book on golden lion tamarins, in case that is considered a conflict of interest with editing this page. Andrew Baker GLT (talk) 17:12, 6 April 2025 (UTC)[reply]

Again, please use {{edit COI}} template. - UtherSRG (talk) 17:15, 6 April 2025 (UTC)[reply]

Updating population numbers and distribution

The user below has a request that an edit be made to Golden lion tamarin. That user has an actual or apparent conflict of interest.
The requested edits backlog is high. Please be very patient. There are currently 185 requests waiting for review.

Please read the instructions for the parameters used by this template for accepting and declining them, and review the request below and make the edit if it is well sourced, neutral, and follows other Wikipedia guidelines and policies.

Specific text to be added or removed: In first paragraph, remove "The range for wild individuals is spread across four places along southeastern Brazil, with a recent census estimating 3,200 individuals left in the wild." Replace with "The geographic range is entirely within the state of Rio de Janeiro. A 2022/2023 census estimated about 4,700 individuals living in the current primary area of occurrence in the non-coastal area of the São João and Macaé river basins (reference 1 below), with unknown but smaller additional numbers in limited coastal forests (2) and to the west of the primary area of occurrence (3,4)." Other minor text adjustments may be necessary to accommodate.

Reason for the change: Update information from the most recent census and correct the inaccurate reference to "four places".

References supporting change: References supporting change: 1) Dietz, J. M., Mickelberg, J., Traylor‐Holzer, K., Martins, A. F., Souza, M. N., & Hankerson, S. J. (2024). Golden lion tamarin metapopulation dynamics five years after heavy losses to yellow fever. American Journal of Primatology, 86(7), e23635. 2) Rylands, A. B., Kierulff, M. C. M., and L. P. de Souza Pinto. (2002a) Distribution and status of lion tamarins. In: D. G. Kleiman and A. B. Rylands (eds.) Lion Tamarins: Biology and Conservation, pp 42-70. Washington, D. C., Smithsonian Institution Press. ISBN 1-58834-072-4. QL737.P92 L56 2002. 3) Burity, C. H. de Freitas, da Cruz, L. D., Rocha, V. L., da Conceição, N. B., da Luz, D. E., da Silva Santos, D., da Costa Campos, D., and A. Pissinatti. (2007) Golden lion tamarins, Leontopithecus rosalia (Linnaeus, 1766) in the Taquara Municipal Natural Park (Duque de Caxias, RJ): a southern extension of known range. Neotropical Primates 14(1): 30-31. Rubião, E. C. N., Pissinatti, A., Lourenço Junior, M., Cattaneo, C. A. M., Romijn, P. C., Oliveira, J. D. V., Borré, L. B., Santos, D. A., Mendonça, A. C., Nascimento, J. L., and L. C. Oliveira. (2022) Registros do mico-leão-dourado (Leontopithecus rosalia) na Região Metropolitana do Estado do Rio de Janeiro. Abstract of paper presented at the XIXth Congresso Brasileiro de Primatologia: Encontro Diversidades, 2022, Sinop, Matto Grosso.

Andrew Baker GLT (talk) 18:59, 7 April 2025 (UTC)[reply]