Talk:Cheetah

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This article is written in British English, which has its own spelling conventions (colour, travelled, centre, defence, artefact, analyse) and some terms that are used in it may be different or absent from other varieties of English. According to the relevant style guide, this should not be changed without broad consensus.

Cheetah has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.

Article milestones
Date	Process	Result
May 23, 2016	Good article nominee	Listed
April 30, 2020	Peer review	Reviewed
A fact from this article appeared on Wikipedia's Main Page in the "Did you know?" column on May 31, 2016. The text of the entry was: Did you know ... that every cheetah (pictured) has a unique pattern of spots on its coat?
Current status: Good article

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Section sizes

Section size for Cheetah (32 sections)
Section name	Byte count	Section total
(Top)	5,521	5,521
Etymology	5,810	5,810
Taxonomy	4,307	12,112
Subspecies	7,805	7,805
Phylogeny and evolution	13,333	13,333
Genetics	5,508	10,491
King cheetah	4,983	4,983
Characteristics	12,297	42,037
Internal anatomy	13,219	13,219
Speed and acceleration	16,521	16,521
Ecology and behaviour	1,867	39,693
Social organisation	4,023	4,023
Home ranges and territories	2,317	2,317
Communication	9,887	9,887
Diet and hunting	11,122	11,122
Reproduction and life cycle	10,477	10,477
Distribution and habitat	2,609	12,695
Historical range	6,739	6,739
Present distribution	3,347	3,347
Threats	3,837	3,837
Conservation	818	18,041
In Africa	6,712	6,712
In Asia	10,511	10,511
Interaction with humans	28	27,942
Taming	9,718	9,718
In captivity	8,139	8,139
Attacks on humans	1,723	1,723
In culture	8,334	8,334
See also	41	41
References	29	29
Further reading	525	525
External links	1,039	1,039
Total	193,146	193,146

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Cheetah immune system

Cheetahs have lower levels of Immunoglobulin G (IgG) and Serum Amyloid A (SAA) compared to leopards, but higher levels of Lysozyme and a higher bacterial killing capacity.

This indicates poorer adaptive immune system and induced innate immune system, but a better constitutive innate immune system.

Their constitutive innate immune system would compensate for their low variation of Major Histocompatibility Complex and poorer immune adaptability.

Cheetahs in the wild do not suffer of infectious diseases.

In addition, cheetahs have lower levels of Cortisol than leopards in stressful situations, indicating better stress response.

*The constitutive innate immune system would come to be "The first defense line of the body".

https://doi.org/10.1038/srep44837

LeandroPucha (talk) 06:18, 23 November 2024 (UTC)[reply]

Cheetah acceleration values.

In checking references, I stumbled across something by chance.

This paper (https://doi.org/10.1038/ncomms11034) mentions that the acceleration of the cheetah is 13 meter per second squared (m/s²), and one of the references cited is the one cited in the paragraph about the initial acceleration of the cheetah, greyhound and horse.

"The initial linear acceleration observed was 12 m/s², twice than 6 m/s² of horses and greater than 10 m/s² of greyhounds."

This one here.

https://www.academia.edu/108858304/Locomotion_dynamics_of_hunting_in_wild_cheetahs

Which in turn cites the other reference cited in the same paragraph.

https://doi.org/10.1098/rsbl.2009.0360

So, the real value of the acceleration at the start of cheetah's Sprint is not 12 m/s², but rather 13 m/s².

So I am going to change the references next to the data. LeandroPucha (talk) 07:42, 7 December 2024 (UTC)[reply]