But her voice, when it rises to full volume, has a hard-edged quality, and sometimes it is difficult to distinguish the shaky timbre of her vibrato from her fast, sustained trills.
Lardner speculates that even though such fast, sustained calling exhausts the frog, it might pay off by bringing in more mates.
From 1950 to 1973, the developed economies enjoyed their fastest sustained period of economic growth of the whole century, with the fastest sustained rise in productivity and in incomes, and with low male unemployment.
The body said on Thursday that the rail network is Europe's safest, adding that it was undergoing the "fastest sustained period of growth since the Victorian era".
Within a generation, the United States was enjoying the fastest sustained growth in recorded history, and, moreover, the prosperity was shared broadly, with income rising faster at the bottom and middle of society than at the top.
After a period of the fastest sustained growth since 1984, and with job creation recently averaging 300,000 a month, well over half of respondents still think the state of the economy is poor.
Tip, however, does not solely hold the record for fastest sustained winds in a cyclone.
In a randomised controlled trial among persons with musculoskeletal disorders, we found that early part-time sick leave predicted faster sustained RTW than full sick leave.
In the present study we showed that cold-acclimated fish demonstrate substantially faster sustained swimming speeds compared to warm acclimated fish.
The first is that disorder on our streets must be met with a firm, fast and sustained response.
The tunes switched styles of rhythm and emptied out into rigorous unaccompanied vibraphone solos, organized into triplet combinations or fast, evenly sustained up-and-down patterns.
