African Grass Rat

African Grass Rat

Arvicanthis niloticus

Silhouette: T. Michael Keesey · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Masai Mara National Reserve
11 Verified sightings at Masai Mara National Reserve From 2019 to 2026
142 Verified sightings across all 7 parks From 2019 to 2026
November Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the African Grass Rat

The African grass rat (Arvicanthis niloticus) is a species of rodent in the family Murinae. The species is divided into the following six subspecies. A. n. niloticus: Nile, Egypt; A. n. dembeensis (Rüppell, 1842): Sudan, Ethiopia, Eritrea; Tanzania, Kenya, Burundi, Uganda, Democratic Republic of Congo;

A. n. naso (Pocock, 1934): Yemen; A. n. rhodesiae (St.Leger, 1932): Zambia; A. n. solatus (Thomas, 1925): Senegal; Mauritania, Mali, Niger, Chad, Burkina Faso, Ghana, Nigeria, Cameroon and Central African Republic; A. n. testicularis (Sundevall, 1843): upper Nile, central Sudan.

Arvicanthis niloticus is a rodent of medium size, with the length of the head and of the body between 159 and 202 mm, the length of the tail between 125 and 173 mm, the length of the foot between 33 and 42 mm, the length of the ears between 19 and 23 mm and a weight up to 201 g.

The fur is rough. The upper parts of individual hairs are yellowish with blackish tips. Long yellow or orange hairs are present on the bottom. A dorsal dark stripe more or less distinct extends from the head to the base of the tail. The ventral parts are whitish, with the base of the hairs blackish... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Serengeti National Park 🇹🇿 Tanzania
~20%
2 Ngorongoro Conservation Area 🇹🇿 Tanzania
~20%
3 Lake Nakuru National Park 🇰🇪 Kenya
~20%
4 Masai Mara National Reserve 🇰🇪 Kenya
~10%
5 Queen Elizabeth National Park 🇺🇬 Uganda
Insufficient data
6 Murchison Falls National Park 🇺🇬 Uganda
Insufficient data
7 Virunga National Park 🇨🇩 Democratic Republic of the Congo
Insufficient data

Quick answers

What are the chances of seeing a African Grass Rat in Masai Mara National Reserve?

About 10% of wildlife watchers report a African Grass Rat sighting in Masai Mara National Reserve, based on 11 verified sightings from GBIF citizen-science data.

When is the best time to see African Grass Rat in Masai Mara National Reserve?

November has the highest sighting rate for African Grass Rat in Masai Mara National Reserve in our monthly data.

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