Dung of large herbivores, particularly that of Domestic Yak has an important place in the grassland ecology of this high plateau. Dungs increases the abundance of arthropods particularly the larvae of coleopteran beetles which are consumed by a number of species of birds.
Many birds are often found close to areas with an abundance of dung pats. Ground Tits have long and curved beaks to probe into the dung pats and the soil around it for insects.
The frequent turning over and probing into dung pats by various bird species aids faster decomposition, thus supplying the ecosystem with substantial nutrients in an otherwise nutrient poor environment.
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White-rumped Snowfinch (Onychostruthus taczanowskii) is one of the two species of Snowfinches that can be seen reliably in India only in the Tibetan Plateau region of North Sikkim, generally above 4500 meters (the other being Rufous-necked Snowfinch)
White-rumped Snowfinch associate very strongly with Black-lipped Pika or Plateau Pika , the most abundant mammal in this cold desert. Their burrows are used for nesting and also used for roosting, particularly by the juveniles.