Greater kudu
Enable an AI agent to recognise a greater kudu, assess its condition and ecological circumstances, and determine whether observation, protection or authorised intervention is appropriate.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
Researched by: Codex + Grok
Purpose and description
Enable an AI agent to recognise a greater kudu, assess its condition and ecological circumstances, and determine whether observation, protection or authorised intervention is appropriate.
The greater kudu (Tragelaphus strepsiceros) is a large, spiral-horned African woodland antelope in the tribe Tragelaphini, distinguished by a tall, narrow body, vertical white body stripes, and, in adult males, long open-spiral horns.
It can be Identify and document a candidate greater kudu while retaining competing identifications and supporting images.; Compare repeated sightings for possible individual matches using flank patterns, horn form and documented marks.; Monitor feeding, mobility and body condition in relation to seasonal browse and water access.; Assess an apparently solitary calf through remote observation of nursing or maternal return.; Flag entanglement, injury, blocked movement or sustained disturbance for an appropriate wildlife responder.; Assemble an animal-specific suitability assessment for authorised handling or relocation using linked veterinary, habitat and permission records..
Distinguishing features
On a clear flank view, count vertical white stripes: greater kudu typically show 6-10, while lesser kudu usually show 11-15; obscured or atypical counts require other evidence. [MNHN](https://www.mnhn.fr/en/the-greater-kudu), [AWF](https://www.awf.org/wildlife-conservation/kudu)
For a mature male, inspect the underside of the neck for the greater kudu's hair fringe; conspicuous upper and lower white neck patches instead support lesser kudu. Do not apply the mature-male test to calves or females. [MNHN](https://www.mnhn.fr/en/the-greater-kudu), [AWF](https://www.awf.org/wildlife-conservation/kudu)
With a reliable scale and age assessment, compare shoulder height: greater kudu commonly stand about 100-150 cm, versus approximately 90-105 cm for lesser kudu; overlap prevents size alone from deciding identity. [AWF](https://www.awf.org/wildlife-conservation/kudu)
For horned adults, assess horn length and spiral form alongside body size and neck markings: greater kudu males develop substantially longer spiral horns than lesser kudu males. Horn absence does not exclude greater kudu. [AWF](https://www.awf.org/wildlife-conservation/kudu), [MNHN](https://www.mnhn.fr/en/the-greater-kudu)
Scope
+ Species identification and individual recognition across sex and life stage
+ Body condition, horn integrity, mobility and observable distress
+ Browsing, water access, cover use and movement barriers
+ Calf dependency, reproductive evidence and changing social associations
+ Animal-specific constraints on observation, handling and relocation
- Independent models of lesser kudu, nyala and other antelope
- Population abundance estimation and conservation assessment methods
- Vegetation communities, habitat restoration and land management plans
- Pathogen biology, diagnostic protocols and veterinary treatment procedures
- Hunting law, permits, ownership and wildlife trade systems
- Detached horns, hides, meat and museum specimens as managed objects
Characteristics
- Identification confidence
- confirmed by documented review | probable | unresolved Prevents a partial view of a striped antelope from becoming an unsupported greater kudu record.
- Sex assessment
- male | female | undetermined; record evidence Controls interpretation of size, horn development and reproductive observations.
- Life stage
- dependent calf | juvenile | subadult | adult | undetermined Separates immature morphology and dependency from abnormal condition.
- Shoulder height
- cm; measured or estimated, with uncertainty Supports identification and growth assessment when sex, age and measurement method are known.
- Flank stripe pattern
- visible count, branching and interruptions for each side; obscured areas recorded Supports species recognition and candidate matching between sightings.
- Horn condition
- absent | developing | intact | damaged | entangled | not visible; assess each horn Separates normal development from injury and identifies constraints on movement or handling.
- Body condition trend
- improving | stable | declining | unknown; attach observations and scoring method Supports assessment of whether available browse and the animal's feeding ability are adequate.
- Locomotor ability
- apparently unrestricted | limping | unable to rise | physically trapped | unassessed Helps distinguish routine resting from impaired escape or an urgent welfare concern.
- Browse use
- animal to observed food plant, plant part, place and time Records actual feeding resources rather than assuming all surrounding vegetation is suitable.
- Calf dependency
- calf to observed or suspected mother; nursing and reunion evidence Prevents temporary separation from being mistaken for abandonment.
- Social association
- animal to observed companions; time, composition and confidence Preserves changing associations without treating every sighting group as a permanent herd.
- Management context
- free-ranging | fenced reserve | captive collection | in authorised transport | unknown Determines which responsible party and animal-specific management records must inform action.
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 6 bundles · 11 layers · 18 findings · 31 questions.
Kudu recognition Establish species identity and continuity between observations.
Striped coats and spiral horns are shared with other antelope, while age and sex alter the available identification evidence.
Species evidence
Evaluate the combination of morphology and taxonomic interpretation.
Supported greater kudu identification
Record visible diagnostic traits, contradictory evidence and the taxonomic reference used; the Mammal Diversity Database currently treats greater kudu as Tragelaphus strepsiceros. [MDD](https://www.mammaldiversity.org/taxon/1006283/)
- Which observed stripe, neck, size and horn features jointly support greater kudu over lesser kudu? definition
- Which images, observer assessment and taxonomic reference support the identification? provenance
- Could age, sex, obscuration or an alternative antelope identification explain the same evidence? boundary
Individual continuity
Assess whether sightings concern the same animal.
Repeat sighting match
Retain candidate matches based on comparable flank photographs, horn details and documented marks without assuming a pattern is uniquely identifying.
- Do photographs show the same flank and compatible stripe branching, scars and horn details? measurement
- What evidence distinguishes a confirmed individual match from a plausible resemblance? boundary
Body and horn function Assess bodily condition in the context of sex, development and functional ability.
A growing male, a hornless female and an injured adult require different interpretations of similar-looking observations.
Development and condition
Interpret size and condition against an explicit life-stage assessment.
Contextual body assessment
Record sex and life-stage evidence alongside body measurements and condition trends; do not infer exact age from horn appearance alone.
- What supports the sex and life-stage assessment independently of apparent body size? provenance
- How have visible body condition, feeding activity and measured or estimated size changed? measurement
Horns and mobility
Assess whether horns, limbs or nearby obstacles compromise movement.
Functional impairment
Record horn damage, abnormal gait and entanglement evidence. Interlocked horns are a documented hazard in sparring greater kudu males. [Mpala](https://mpala.org/field_guide/view/greater_kudu/)
- Can the animal walk, turn its head, browse and disengage from nearby animals or obstacles? measurement
- Do visible injuries or persistent horn locking require escalation to an authorised wildlife responder? action
Browse, cover and movement Relate the animal's feeding and movement to usable vegetation, water and shelter.
Greater kudu assessment requires evidence about browsing resources and woody cover rather than a generic measure of green vegetation.
Browse and water
Record consumed vegetation and accessible water under current seasonal conditions.
Usable feeding resources
Greater kudu browse woody plants and other vegetation; record actual intake and seasonal access instead of assuming that forage presence establishes adequacy. [Mpala](https://mpala.org/field_guide/view/greater_kudu/)
- Which plants and plant parts is this animal actually eating, and with what identification confidence? measurement
- What evidence links current browse and water access to its feeding behaviour and body condition? boundary
Cover and passages
Assess usable concealment and connections between feeding, resting and drinking places.
Accessible cover network
Greater kudu use bush and thicket cover; record whether this individual can reach suitable cover and resources across the local landscape. [Animal Diversity Web](https://animaldiversity.org/accounts/Tragelaphus_strepsiceros/)
- Where does the animal rest or retreat, and which routes connect those places to observed feeding and drinking sites? measurement
- Are fences, roads or disturbance preventing passage or concentrating the animal in an exposed location? boundary
Calves and social life Interpret dependency, reproductive evidence and associations with other kudu.
A hidden calf or solitary adult cannot be assessed correctly by assuming all greater kudu should remain together.
Maternal dependency
Distinguish normal calf concealment from evidence of failed care.
Hidden calf status
Greater kudu mothers leave young calves concealed between nursing visits; solitary presence alone does not establish abandonment. [Mpala](https://mpala.org/field_guide/view/greater_kudu/)
- When were nursing, maternal return or a calf following an adult last observed? provenance
- Could the observation represent normal concealment, given calf condition and observation coverage? boundary
- What evidence would justify intervention rather than continued remote observation? action
Association and breeding
Record temporary group composition and direct reproductive behaviour.
Social context
Record companions, courtship, nursing and male sparring separately; greater kudu associations vary with sex and reproductive activity. [Mpala](https://mpala.org/field_guide/view/greater_kudu/)
- Which sex and life-stage classes accompany this animal, and how persistent is that association? measurement
- Which direct observations support courtship, maternal care or aggression rather than mere proximity? boundary
Disturbance and intervention Determine how this kudu's behaviour and circumstances constrain proposed human actions.
Observation, rescue and relocation require different responses to alarm, escape routes, horn hazards and calf dependency.
Alarm and escape
Evaluate how people, vehicles and barriers affect the animal's behaviour.
Disturbance response
Record freezing, vigilance, movement and vocalisation in context; greater kudu may stand still when alarmed, so immobility is insufficient evidence of calm. [AWF](https://www.awf.org/wildlife-conservation/kudu)
- How did vigilance, feeding and movement change when people or vehicles approached? measurement
- Should observation distance or position change to restore access to cover and an unobstructed escape route? action
Handling and relocation readiness
Connect a proposed intervention to animal-specific evidence and accountable decisions.
Intervention prerequisites
Record the intervention objective, responsible authority and expert assessment of horn clearance, physical condition, dependent companions and destination resources; retain links to applicable external protocols.
- What observed problem requires handling or relocation, and who has authority and responsibility for that decision? action
- Have horn configuration, mobility, calf dependency and destination browse and cover been assessed for this animal? boundary
- Which veterinary assessment and applicable management protocol support proceeding? provenance
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Kinds and varieties
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Cape / southern greater kudu (T. s. strepsiceros)
- East African greater kudu (T. s. bea)
- Northern greater kudu (T. s. chora)
- Western greater kudu (T. s. cottoni)
- Adult male (bull) with spiral horns
- Adult female (cow), hornless
- Calf / juvenile
- Which of these kinds and varieties hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Identifiers and schemes
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Wikidata - Q215394 - Item for the species Tragelaphus strepsiceros / greater kudu.
- ITIS TSN - 183855 - Taxonomic Serial Number for Tragelaphus strepsiceros (Pallas, 1766).
- IUCN Red List taxon ID - 22054 - Assessment taxon id used on the IUCN Red List species page.
- GBIF taxonKey - 2440966 - GBIF backbone usage for Tragelaphus strepsiceros.
- NCBI Taxonomy - 9945 - NCBI taxid for Tragelaphus strepsiceros.
- Integrated Taxonomic Information System / binomial - Tragelaphus strepsiceros (Pallas, 1766) - Currently the prevailing species name; some phylogenies place it in Strepsiceros.
- Which of these identifiers and schemes hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Standards and regulation
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- IUCN Red List: Least Concern (IUCN SSC Antelope Specialist Group assessments of Tragelaphus strepsiceros)
- CITES: species not listed on Appendices I-III; international movement is under national wildlife-trade and veterinary law rather than a CITES listing (CITES Secretariat)
- National game/wildlife statutes in range states (e.g. South Africa Threatened or Protected Species / provincial hunting ordinances; Namibia Nature Conservation Ordinance; Zimbabwe Parks and Wildlife Act; Tanzania Wildlife Conservation Act) governing hunting seasons, trophy export, and ranching
- Safari Club International and CIC trophy-scoring formulae for greater kudu horns (non-statutory sport-hunting measurement standards)
- OIE/WOAH terrestrial animal health codes for international movement of live antelope and trophies (disease-risk, not species-specific listing)
- Which of these standards and regulation hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Real-world use
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Flagship plains-game species on southern African hunting ranches and conservancies; adult bulls taken as spiral-horn trophies
- Photographic and safari tourism animal in woodland and savanna parks (Kruger, Etosha, Chobe, Ruaha, and private reserves)
- Venison / biltong and hide in southern African game-meat and taxidermy trades
- Captive populations in zoos and wildlife parks as a large tragelaphine exhibit animal
- Indicator of intact mixed woodland-thicket habitat in conservation planning
- Which of these real-world use hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Typical measurements
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Shoulder height (adult male) - 140-160 - cm
- Shoulder height (adult female) - 120-140 - cm
- Body mass (adult male) - 190-270 - kg
- Body mass (adult female) - 120-210 - kg
- Horn length along spiral (adult male) - 100-140 (exceptional >150) - cm
- Number of white body stripes - 6-10 - count
- Gestation - 7-9 (about 8) - months
- Wild lifespan - 7-15 (captive to ~20+) - years
- Which of these typical measurements hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Failure modes and hazards
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Fence entanglement and horn trapping of bulls on game ranches
- Rinderpest historically, and ongoing susceptibility to anthrax, bovine tuberculosis, and other ungulate pathogens in mixed cattle-wildlife systems
- Poaching for meat and horns; unsustainable offtake outside well-managed ranching areas
- Habitat loss and fragmentation of woodland/thicket, and competition or displacement where bush is cleared
- Vehicle collision on farm and reserve roads at dusk when animals move to water
- Drought mortality, especially of calves, in semi-arid range
- Intraspecific horn injury among rival bulls in the rut
- Which of these failure modes and hazards hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Regional variation
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Southern Africa (South Africa, Namibia, Botswana, Zimbabwe): 'kudu' in everyday speech almost always means greater kudu; heavily ranched and hunted; Afrikaans koedoe
- East Africa (Kenya, Tanzania, Ethiopia, Somalia): less commercialized; northern/eastern subspecies (chora, bea) occupy more arid bush; Swahili tandala / tandala kubwa for greater vs lesser
- Western/Chad-CAR fringe (T. s. cottoni): sparse, poorly observed population; sometimes treated as a distinct subspecies or local form
- Taxonomic practice: many field guides still use four subspecies; some genetic work questions those splits and some phylogenies move the species to Strepsiceros strepsiceros
- Which of these regional variation hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Lesser kudu (Tragelaphus / Ammelaphus imberbis) - Much smaller (males ~90-110 cm at shoulder); two white cheek patches; males have a dorsal crest and tighter, smaller horns; range is East African thornbush, overlapping only in parts of East Africa.
- Nyala (Tragelaphus angasii) - Males are dark slate with fringe and yellow lower legs; horns are lyre-shaped with fewer, tighter turns; strongly sexually dimorphic orange-brown females; confined to southeastern African thicket.
- Common eland (Taurotragus oryx) - Heavier, ox-like build with dewlap and relatively short, tightly spiraled horns in both sexes; no tall spiral 'corkscrew' horns confined to males.
- Sitatunga / bushbuck group (Tragelaphus spekii, T. scriptus) - Much smaller; bushbuck has similar striping but short, almost straight horns; sitatunga is a wetland specialist with splayed hooves.
- Giant eland (Taurotragus derbianus) - West/Central African forest-savanna giant; both sexes horned; massive dewlap and different stripe/dewlap pattern; no range overlap with typical greater kudu.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of Greater kudu this model covers, and on what evidence? provenance
Sources
- Tragelaphus strepsiceros (Greater Kudu) - Taxonomic placement, Least Concern status, range, threats, and subspecies treatment used by IUCN.
- Mammal Species of the World, 3rd ed.: Tragelaphus strepsiceros - Accepted scientific name, authority (Pallas, 1766), and subspecies names used in mammalogical practice.
- CITES Appendices (valid from 25 November 2023) and species listings - Greater kudu is not listed on CITES Appendices I-III as a species (trade is national, not CITES-listed).
- Wikidata item Q215394 (greater kudu) - Stable identifier Q215394 and crosswalks to ITIS, GBIF, NCBI, IUCN, and other taxonomic schemes.
What the second pass must settle
- Which taxonomic authority and version should govern regional names and disputed greater kudu subdivisions while preserving the single registry entry?
- How reliably do flank patterns and horn details identify individuals across age, photographic angle and seasonal coat changes?
- Which body-condition and age-assessment methods have been validated specifically for greater kudu across sexes and wild versus captive settings?
- What locally validated observation periods and calf-condition indicators distinguish normal concealment from failed maternal care, given differing published descriptions?
- Which region-specific evidence establishes seasonal browse and water adequacy, relevant disease risks and acceptable conditions for greater kudu handling or relocation?