मृगपक्षी-शास्त्र (हंसदेव - १३वीं शती का अमर भारतीय वन्यजीव, पक्षी एवं प्राणि-विज्ञान)

sleep at nights. They play in different pastures with their female ones.
Their eyes resemble white lotus. Those persons who see this variety
of swan have much increase of animal passion. Their bodies are round
like circle. Swan of this kind are called Manasavasi as they live in the
Manasa lake.
[4th variety of SWAN]
(RAJAHAMSA)
Swan of these varieties are very beautiful to look at. They are
purely white like full moon save their beaks and feet which are red in
colour. Their walk in their youths are very beautiful and amusing.
Their cry is very amusive and pleasant. Those who have a look at
them are freed from sins committed in their past births. Like Swan of
the 2nd variety, these swan also live at times in lotus ponds and at
times in shady places. They are a little tall. They fly very high in the
sky. They would cohabit with their female ones, playing and crying
very beautifully. They show innumerable modes of walk when they are
with female swan. If they appear in front of persons who go to war,
they (persons) are sure to be victorious. After rainy season, they are
much puffed up with haughtiness. They have always their eyes wide
open as they are cheerful. When they stand before the birds, the birds
also astonish to see them. If able persons train them up, they can
talk a few words to some extent as they are intelligent and clever.
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