natatorial
natatory

Animals that can swim proficiently (natatorial) fall into three categories.

Man grew out an Aquatic, or (I speak as a Quinarian) a Natatorial type.

It was established for the protection of natural complex, creation of favorable conditions for wintering of migrant and natatorial birds.

It was established for the protection of beaches of Sarygamyş Lake, flying natatorial birds and lambing places of gazelles.

This afternoon, Mr. Moss, now 55 years old and a Park Department deputy commissioner, will attend a groundbreaking ceremony for the department's $8 million natatorial renovation.

In natatorial (swimming) animals such as the North American River Otter, the tubercle is located nearly halfway down the shaft, which allows for powerful limb flexion and extension.

One day she'll meet a swan who stands its ground (or should I say 'sits its water'?) instead of just paddling disdainfully away from the natatorial hound, and that, as we country-folk say, will larn her something proper.

It is also known as the "natatory ligament".

It is probable that the natatory lamellae are what makes such implausible leaps possible.

These vary in number according to the genus, and they are called natatory lamellae (meaning literally "swimming plates").

So, then, the next day he presented himself again to Father Caspar as an obedient pupil in matters both natatory and astronomical.

Natatory fringes are rows of stiff hairs that occur along the margins of the hindfeet in some rodents.

Among sigmodontines, a mostly South American groups, natatory fringes are present in Ichthyomyini and some Oryzomyini.

The abdomen has five segments called pleonites each with a pair of biramous pleopods; these are modified into natatory legs and rami, flat respiratory structures acting as gills.

The middle, and more especially the hind, legs are natatory, meaning adapted for swimming; they are greatly flattened and fringed with bristles that fold to aid swimming action.

Amphinectomys, Holochilus, Lundomys, and Nectomys are the only oryzomyines with natatory fringes, but have them only weakly developed; one study also records them in Oryzomys.