Age-groups

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Definition of Age-groups

From the elephant glossary Section: elephant anatomy Section: anatomy

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Records about Age-groups from the Gajah Glossary at https://www.asesg.org/PDFfiles/Gajah/23-01-Glossary.pdf Age-groups: [also: cohortsl Lee 1987:279; Moss 2001:150-
151)

Rather imprecise grouping by age-class, roughly as
follows, with some overlap:

Infant: [+0-1 year] can still pass under mothers belly.

Calf: [+0-4 t "t.1 Still dependent on milk. A]so a
generic term for all Immatures .

Young juvenile: [+2-5 yearc] Still nursing, but can
survive for some periods without milk.

Older juvenile: [5-10 yrs], Weaned, but sti]l near
mother; females start to look after younger Siblings ;
males form play-groups.

Immature: [+0-tO years] Not yet sexually mature.

Adolescent: [+10-15 yeats] Sexually mature, but have
not yet reproduced.

Sub-adult: [+15-20 years] Females reproductively
active; males reproductively "interested" but not usually
successfully. Not yet fully-grown.

Adult: [+20-55 years] Fully mature. (NB: males
continue to gfow throughout life.)

Old Adult [+55+ years] ReptoCuction slowing slightly;
losing Molars ; nearing death.

Age-groups is mentioned on 1 other pagesAge-groups,

Reference list Koehl, Dan, (2026). Age-groups. Elephant Encyclopedia, available online retrieved 20 September 2021 at https://www.elephant.se/index.php?id=322. (archived at the Wayback machine)

Sources used for this article is among others:

Records about Age-groups from the Gajah Glossary, https://www.asesg.org/PDFfiles/Gajah/23-01-Glossary.pdf

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