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n. pl. amplexus or am·plex·us·es
The copulatory embrace of frogs and toads, during which the male fertilizes the eggs that are released by the female.

[Latin amplexus, an embracing, from past participle of amplectī, to embrace : am-, ambi-, around; see ambi- + plectere, to twine; see plek- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


the mating embrace of amphibians, particularly frogs and toads
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(æmˈplɛk səs)

n., pl. -us•es, -us.
the copulatory clasping posture of frogs and toads.
[1925–30; < New Latin, Latin: embrace amplect(ī) to embrace (am-, variant of ambi- ambi- + plectere to plait, twine)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Adult Rough-skinned Newts were frequently observed in amplexus throughout this study.
They will then mate, clasping them in a grip known as amplexus, that can last for hours, or even days.
Romeo hasn't fully figured out amplexus -- the mating position for frogs where the male holds the female until he can fertilize her eggs as she lays them.
Accordingly, "the more fully the soul recognizes its origin, the more it will blush for the unworthiness of its life--more than this, it will be anxious to make every effort to reform what it sees in its nature to be deformed by sin, so that by God's help it may rule itself in a way worthy of its origin, and faithfully approach the Word's enfolding (ad amplexus Verbi)." Here Bernard emphasizes that a person's willing choice and embrace of aright pattern of life is necessary for being truthful to his or her essential nobility.
Uxorem amplexus dat dulcibus oscula natis, qui patriis caligis substituunt soleas.
After the first heavy rain (> 30 mm), we surveyed all transects to locate potential sites or pools for amphibian reproduction, and to record any signs of breeding activity (calling males, adults in amplexus, presence of eggs and/or larvae).
However, males have a higher investment in the reproductive action (such as calling, active seeking of females, and amplexus interference) (Gatz, 1981; Howard, 1988; Sullivan, 1992).
Robinson and Doyle (1995) found that in amphipods, amplexus decreases male growth by as much as 45%, indicating that individuals face a trade-off between present reproduction and future size.
Longer and robust forelimbs allow males to retain a firm grip on the female in amplexus (Howard & Kluge 1985).
Calling males were detected at all sites; females were detected at three sites, in amplexus with males on two occasions, and egg masses were detected at the same sites as females.