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Annie Martin is a Canadian artist who works with installation, audio, video and textiles. Her work has been exhibited throughout Canada and internationally. Martin lives in Lethbridge, Alberta where she teaches at the University of Lethbridge. [1] She previously lived and worked in Montreal.
There are many birds that are active nocturnally. Some, like owls and nighthawks, are predominantly nocturnal whereas others do specific tasks, like migrating, nocturnally. North Island brown kiwi, Apteryx mantelli [1] Black-crowned night heron, Nycticorax nycticorax [1] Short-eared owl, Asio flammeus [1] Long-eared owl, Asio otus [1]
Thus, unmonitored purple martin houses are often overtaken by more aggressive, non-native species. [3] Purple martin proponents are motivated by the concern that the purple martin would likely vanish from eastern North America were it not for this assistance. [24] There is a misconception among many people regarding purple martin's temperament.
The common nightingale, rufous nightingale or simply nightingale (Luscinia megarhynchos), is a small passerine bird which is best known for its powerful and beautiful song.It was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae. [2]
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Each time it hits a ridge, the tip produces a sound. The tip strikes each ridge twice: once as the feathers collide, and once as they move apart again. This raking movement allows a wing to produce 14 sounds during each shake. By shaking its wings 100 times a second, the club-winged manakin can produce around 1,400 single sounds during that ...
Animated gif. View at Original size to see animation. Date: 19 November 2013, 16:53: Source: Martin Creed (1968- ) Work No. 227 - The Lights Going On and Off (2000), Tate Britain, Nov 2013: Author: ketrin1407
The western house martin flies with a wing beat averaging 5.3 beats per second, which is faster than the wing beat of 4.4 beats per second for the barn swallow, [12] but the flight speed of 11 m/s (36 ft/s) is typical for hirundines. [13] The western house martin is a noisy species, especially at its breeding colonies.