Animals size library

Mammal Society: Size; NOAA: Appearance.

Mammal Society gives adult length 24–26 m and notes larger females; NOAA distinguishes population and sex variation.

25 m falls within the published adult range. No particular measured individual is claimed.

NOAA and Mammal Society species accounts, accessed 2026-11-13

Physical Description / adult size

ADW reports males reaching 19 m and females 12 m; 16 m is an adult male example.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW gives adult male average 8 m and maximum 9.75 m. 7 m is a smaller adult example, not the mean.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW reports approximately 4 m males and larger females; 4.5 m is within the adult range.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW gives 7 m average with much larger individuals; 10 m is a large adult example, not the maximum.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW gives adult lengths 2.28–3.81 m; the selected 3 m lies within this range.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW gives male shoulder heights of 3.2–4 m. The selected height is at the lower end.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Printed p. 3, height facts (fourth PDF spread).

GCF lists adult male average height 5.3 m, female average 4.3 m, and male maximum 6 m.

5 m is a reasonable adult male example near the published average. Natural variation does not require a specimen measured at exactly 5 m.

GCF Conservation Guide 2022

Physical Description / adult size

ADW gives total lengths of 2.09–5.05 m, including a short tail. The 3.5 m example is within that range.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW gives head-body lengths around 3.35–3.77 m; 3.8 m is a rounded large adult example.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW reports adult males reaching 2.5 m; selected large adult, not the mean of both sexes.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Size / physical description or technical dimensions

Zoo lists tiger length 1.5–2.9 m depending on sex and location; 1.9 m is a head-body reference, not total length including tail.

A selected reference example within the documented size class; not a universal average, maximum or exact specimen measurement.

Source accessed 2026-11-13

Physical Description / adult size

ADW gives total lengths 2.4–3.3 m and tails 0.6–1 m. A 1.95 m head-body example is consistent with those dimensions, not a quoted specimen.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW describes breed variation with heights around 0.9–1.7 m and outliers. The 1.6 m reference represents a riding horse.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW reports male maxima around 6–7 m. The selected 4.5 m is an adult example below those maxima.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Size / physical description or technical dimensions

Male height is given as 6.9–9 ft (about 2.1–2.7 m); 2.4 m lies within that interval. The source has a typographic decimal error in its lower metre figure; the feet interval is unambiguous.

A selected reference example within the documented size class; not a universal average, maximum or exact specimen measurement.

Source accessed 2026-11-13

Physical Description / adult size

ADW gives adult height 1.01–1.32 m; 1.1 m lies within the range.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Reference models and natural variation.

The project defines a 1.70 m standing reference. The illustration supplies its appearance.

Project reference definition v1

Size / physical description or technical dimensions

Breed standard: males 21–23.5 inches at withers = 0.5334–0.5969 m. Selected 0.57 m lies within it.

A selected reference example within the documented size class; not a universal average, maximum or exact specimen measurement.

Source accessed 2026-11-13

Size / physical description or technical dimensions

ADW gives average total length 76.2 cm and emphasizes breed variation. The 46 cm head-body example leaves about 30 cm for a tail; it is an editorial model, not a reported head-body mean.

A selected reference example within the documented size class; not a universal average, maximum or exact specimen measurement.

Source accessed 2026-11-13

Physical Description / adult size

ADW explicitly gives head-body length 65–95 mm; the selected 85 mm lies within it.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Size / physical description or technical dimensions

Park’s animal-care species page gives height 15–65 cm depending on breed; selected 40 cm is a medium hen.

A selected reference example within the documented size class; not a universal average, maximum or exact specimen measurement.

Source accessed 2026-11-13

Size / physical description or technical dimensions

Museum describes females reaching about 13 m and males about 10 m. A selected 12 m female example includes the long feeding tentacles.

A selected reference example within the documented size class; not a universal average, maximum or exact specimen measurement.

Source accessed 2026-11-13

Physical Description / adult size

ADW gives worker length 10–15 mm; the selected 13 mm is not a queen or drone.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW gives wingspan 8.6–12.4 cm; the selected 10 cm lies within it.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Physical Description / adult size

ADW gives adult length 6.5–7.8 mm; the selected 7 mm lies within it.

A practical selected example supported by the documented variation. This is neither a universal average nor a claim about an exactly measured individual.

Species account accessed 2026-11-13

Size / physical description or technical dimensions

Field protocol separates body, tail and total length; female body-length range 112–145 cm supports a 130 cm head-body example.

A selected reference example within the documented size class; not a universal average, maximum or exact specimen measurement.

Source accessed 2026-11-13

Size / Biology: females 62–67 cm, excluding the tail; tail approximately 40 cm.

The Mammal Society lists adult females at 62–67 cm head/body length and males at 67–72 cm.

65 cm is a practical adult female example within the published range. The illustration depicts a representative individual.

Red fox species account accessed 2026-11-14

Reference models and natural variation. CDC/NCHS 2025, Table 8 provides population context.

A defined measuring example. Population height varies by age and location. The selected 165 cm is within the adult female distribution in NHANES 2021–2023 Table 8.

Project standing reference definition v1