Another mammal collection.

1. Whitehead’s Pygmy Squirrel, 怀氏矮松鼠, 懷氏矮松鼠, Exilisciurus whiteheadi

2. Bornean Black-banded Squirrel, 婆罗洲黑纹松鼠, 婆羅洲黑紋松鼠, Callosciurus orestes ***

3. Bornean Pygmy Squirrel, 婆罗洲侏儒松鼠, 婆羅洲侏儒松鼠, Exilisciurus exilis ***

4. Mountain Red-bellied Squirrel, 赤腹松鼠, 赤腹松鼠, Callosciurus erythraeus

5. Prevost’s squirrel, 普氏松鼠, Callosciurus prevostii

6. Cream-coloured giant squirrel, 斑臀巨松鼠,  Ratufa affinis

7. Plantain squirrel, 大蕉松鼠, Callosciurus notatus

8. Jentink’s squirrel, Sundasciurus jentinki, 婆罗松鼠, 婆羅松鼠

9. Red giant flying squirrel, 棕鼯鼠, 大鼯鼠, Petaurista petaurista

10. Temminck’s Flying Squirrel, Petinomys setosus

11. Spotted Giant Flying Squirrel, Petaurista elegans

12. Thomas’s flying squirrel, 托氏飞鼠, 托氏飛鼠, Aeromys thomasi

 

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Africa

101. Unstriped ground squirrel, 无条纹地松鼠, 無條紋地鬆鼠, Xerus rutilus

 

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*** the Chinese name is not official but it is like a direct translation from English common name

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Other’s Mammal collections as below

Primates series | 灵长类 | liewwk Nature – 13-1 [update 20250706]

Elephantidae series | 象科 | liewwk Nature -1-1 [update 20260107]

Otter series | 獭 | liewwk Nature [update 20230118]

 

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1. Whitehead’s Pygmy Squirrel, 怀氏矮松鼠, 懷氏矮松鼠, Exilisciurus whiteheadi

– locally common, montane Borneo endemic
– small and overall brown with white ear tufts

– 婆羅洲高山特有種。
– 小，棕色，白耳毛。

update 202405

– another cute fellow everyone looking at, it is small, fast and cute.

– Borneo endemic found from low to mid range at montane of Borneo

– 婆罗洲另一只高山特有种。

– 非常可爱，小，动作快。

 

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update 202101

 

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2. Bornean Black-banded Squirrel, 婆罗洲黑纹松鼠, 婆羅洲黑紋松鼠, Callosciurus orestes ***

*** the Chinese name is not official but it is like a direct translation from English common name

– common North-East montane Borneo endemic

– very look-alike Plaintain Squirrel except it is a Grey belly but not red

3. Bornean Pygmy Squirrel, 婆罗洲侏儒松鼠, 婆羅洲侏儒松鼠, Exilisciurus exilis

– Overall olive-brown, very small ~20gram

– lowland Borneo endemic

– mostly active feed at eye level

Update 202508

 

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This is the world’s smallest squirrel—a must-see when exploring the lowland forests of Borneo! It’s not too rare and not too hard to find if you’re lucky. Almost the size of a small lizard:

• ⁠ ⁠Head-body length: up to 7.5 cm
• ⁠ ⁠Tail length: up to 5 cm
• ⁠ ⁠Weight: around 20 grams

Such a cute and tiny creature waiting to surprise you in the forest!

这是世界上最小的松鼠，是探索婆罗洲低地森林时必看的小动物！它不算太稀有，只要运气不错就有机会看到。几乎和小蜥蜴一样大：

• ⁠ ⁠头到身体长：最多约7.5厘米
• ⁠ ⁠尾巴长：最多约5厘米
• ⁠ ⁠体重：大约20克

这么可爱又迷你的小精灵，就藏在森林里等着我们发现！

 

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update 202101

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4. Mountain Red-bellied Squirrel, 赤腹松鼠, 赤腹松鼠, Callosciurus erythraeus

– montane species also named Pallas’s squirrel

– a medium-sized tree squirrel, overall olive-brown and underpart red. Slight different form the Plantain squirrel which is lowland species and with an extra Black buff stripe on the flank

– Fraser Hill, Cameron Highland, Genting Highland Pahang, Malaysia

update 202101

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5. Prevost’s squirrel, 普氏松鼠, Callosciurus prevostii

– moderate size tree squirrel

– many different sub-species across Malaysia and Sumatra based on slightly different colors

– overall black upper part

update 202101

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6. Cream-coloured giant squirrel, 斑臀巨松鼠,  Ratufa affinis

– large tree squirrel found primary forest or “good” secondary forest

– few different sub-species across SEA

– overall cream and tri-colors

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7. Plantain squirrel, 大蕉松鼠, Callosciurus notatus

– medium size, chestnut belly, and a black and white stripe on the side

– common at mangrove, urban garden, forest

– found South Thailand, Peninsular Malaysia, Sumatra, Java, Bali, Lombok Borneo island & Singapore

 

8. Jentink’s squirrel, Sundasciurus jentinki, 婆罗松鼠, 婆羅松鼠

– montane Borneo endemic

– white eye-ring, white patch near nose and eye

update 202101

 

 

9. Red giant flying squirrel, 棕鼯鼠, 大鼯鼠, Petaurista petaurista

– common at lowland forest (RDC, DANUM etc)

– 在低海拔森林，蛮普通。

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update 202409

– a wonderful special extension for some mammals, we sight Thomas’s Flying Squirrel flying in day time at Danum Valley, follow by Black flying squirrel flying close toward us (yes just ~10m from us like hitting us … plus this common Red giant flying squirrel flying in close distance while ours dusk drive .. wow wow wow

– 非常幸运在哺乳特别加长版，我们见到3中飞鼠在我们面前飞。都在非常近距离的飞啊。。。这一只还在这么漂亮的夕阳光线下飞。幸运啊

 

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update 20221014

– very lucky morning to have this flying toward us so close in the morning

– 第一次见它在早上（天已亮飞到我们面前）

10. Temminck’s Flying Squirrel, Petinomys setosus

update 202403

– a very small flying squirrel found near Danum Valley, BRL

– lucky moment to see it feeding so long but not able to capture other angle

– 在丹浓谷看到这小家伙。可惜没看到他飞+其他角度

11. Spotted Giant Flying Squirrel, Petaurista elegans

– a not so big “red” with white spot

update 202403

– a very lucky night with some owl and this lovely flying squirrel feeding on tree for long …

– 非常幸运的一个晚上，见到鸮后还加上这只小可爱在哪吃果子。

12. Thomas’s flying squirrel, 托氏飞鼠, 托氏飛鼠, Aeromys thomasi

Thomas’s Flying Squirrel is endemic to Borneo where it inhabits tall forest, both primary and secondary, in the lowlands and in mid-montane areas at elevations of up to 1600 metres.

Its fur is reddish-brown to dark brown, with no markings to speak of : it is this plain appearance which distinguishes it from other large flying squirrels, such as the Red Giant Flying Squirrel and Spotted Giant Flying Squirrel, both of which typically have black fur on some part of the body (e.g. face, feet, tip of the tail etc.).

In common with most other flying squirrels it is exclusively nocturnal. Its diet includes forest fruits, but little else is known of its ecology.

Within Borneo, this species has been documented in parts of Sabah (including Mount Kinabalu), Sarawak, Brunei and west and east Kalimantan. It appears to be absent in the southeast of the island. [https://www.ecologyasia.com/verts/mammals/thomas%27s-flying-squirrel.htm]

托马斯飞鼠是婆罗洲的特有物种，栖息于低地和中山地带的高大森林中，包括原生林和次生林，海拔可达1600米。

其毛色从红褐色到深棕色不等，无明显的斑纹。这种朴素的外观使其与其他大型飞鼠区分开来，如红巨飞鼠和斑巨飞鼠，这两种飞鼠的某些部位（如脸部、足部、尾尖等）通常具有黑色毛发。

与大多数其他飞鼠一样，托马斯飞鼠完全为夜行性动物。其食物包括森林中的水果，但其生态学方面的其他信息所知甚少。

在婆罗洲，该物种已被记录在沙巴（包括京那巴鲁山）、砂拉越、文莱以及加里曼丹的西部和东部地区，而似乎在岛屿的东南部未发现其踪迹。

update 202412

After witnessing the spectacular gliding display of the Red Giant Flying Squirrel, we encountered this Thomas’s Flying Squirrel up close—just about 10 feet away. It was calmly feeding on a small tree, completely unbothered by our presence.

在欣赏了红巨飞鼠精彩的滑翔表演后，我们又近距离观察到了这只托马斯飞鼠，距离我们大约只有10英尺。它正悠闲地在一棵小树上进食，丝毫不在意我们的存在。

 

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101. Unstriped ground squirrel, 无条纹地松鼠, 無條紋地鬆鼠, Xerus rutilus

update 202602

This squirrel loves to stand upright and look around, as if keeping watch. Absolutely adorable!

这只松鼠很喜欢站起来四处张望，好像在观察周围的情况，真的太可爱了！

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More pictures from Flickr: Sciuridae series: Squirrel | 松鼠科 | liewwk Nature

https://www.flickr.com/photos/liewwk/albums/72157611743871550

More Videos: Sciuridae series: Squirrel | 松鼠科 | liewwk Nature 

 

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liewwk Nature Youtube collection

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