{"id":60312,"date":"2020-09-04T16:07:00","date_gmt":"2020-09-04T13:07:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/predators-prey-and-moonlight-singing-how-phases-of-the-moon-affect-native-wildlife\/"},"modified":"2020-09-04T16:07:00","modified_gmt":"2020-09-04T13:07:00","slug":"predators-prey-and-moonlight-singing-how-phases-of-the-moon-affect-native-wildlife","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/predators-prey-and-moonlight-singing-how-phases-of-the-moon-affect-native-wildlife\/","title":{"rendered":"#Predators, prey and moonlight singing: How phases of the Moon affect native wildlife"},"content":{"rendered":"

“#Predators, prey and moonlight singing: How phases of the Moon affect native wildlife<\/strong>”<\/p>\n

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\n
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\"Predators,<\/img>
\n Credit: Wes Mountain\/The Conversation, CC BY-ND
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

Humans have long been inspired and transfixed by the Moon, and as we’re discovering, moonlight can also change the behavior of Australian wildlife.<\/p>\n

\n <\/section>\n

A collection of recently published research has illuminated how certain behaviors of animals\u2014including potoroos, wallabies and quolls\u2014change with variation in ambient light, phases of the Moon and cloud cover. <\/p>\n

One study found small mammals were more active on cloudy nights. Another found variation in moonlight led to differing amounts of species captured in non-lethal traps. And a study on willie wagtails found males just love singing on a full moon.
\nThese findings are interesting from a natural history perspective. But they’ll also help ecologists and conservation scientists better locate and study nocturnal animals, and learn how artificial light pollution is likely changing where animals can live and how they behave.
\nMoonlit predator-prey game<\/a>s of hide and seek<\/b>
\nMost of Australia’s mammals are nocturnal, and some smaller species are thought to use the cover of darkness to avoid the attention of hungry predators. However, there’s much we don’t know about such relationships, especially because it can be difficult to study these interactions in the wild. <\/p>\n

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\"Predators,<\/img>
\n Eastern barred bandicoots became more active on darker nights. Credit: Simon Gorta
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

In the relatively diverse mammal community at Mt Rothwell, Victoria, we examined how variation in ambient light affected species’ activity, and how this might influence species interactions. Mt Rothwell is a fenced conservation reserve free of feral cats and foxes, and with minimal light pollution.
\nOver two years, we surveyed the responses of predator and prey species to different light levels from full, half and new moon phases.
\nPotential prey species in our study included eastern barred and southern brown bandicoots, long-nosed potoroos, brushtailed rock-wallabies, and brushtail and common ringtail possums. Eastern and spotted-tailed quolls are their potential predators. <\/p>\n

Just as we predicted, we found that while there does app<\/a>ear to be relationships between cloud cover, Moon phase and mammal activity, these interactions depend on the sizes and types of mammals involved.
\nBoth predators and prey general<\/a>ly increased their activity in darker conditions. Smaller, prey species increased their activity when cloud cover was higher, and predators increased their activity during the half and new moon phases.
\nThis suggests their deadly game of hide and seek might intensify on darker nights. And prey might have to trade off foraging time to reduce their chances of becoming the evening meal. <\/p>\n

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\"Predators,<\/img>
\n The spotted-tailed quoll, a meat-eating marsupial, hunts smaller prey at night. Credit: Shutterstock
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

What happens in the wild?<\/b>
\nIt’s important to acknowledge that studies in sanctuaries such as Mt Rothwell might not always reflect well what goes on in the wild, including in areas where introduced predators, such as feral cats and red foxes, are found.
\nAnother recent study, this time of small mammals in the wilds of Victoria’s Mallee region, sheds further light on the situation. The authors tested if variation in weather and Moon phase affected the numbers of five small mammal species \u2013 Bolam’s mouse, common dunnart, house mouse, southern ningaui, and western pygmy possum \u2013 captured in pitfall traps.
\nPitfall traps are long fences small animals can’t climb over or through, so follow along the side until they fall into a bucket dug in the ground. Ecologists typically use these traps to capture and measure animals and then return them to the wild, unharmed.
\nAt more than 260 sites and over more than 50,000 trap nights, they found wind speed, temperature and moonlight influenced which species were caught and in what numbers.
\nFor example, captures of a small native rodent, Bolam’s mouse, and carnivorous marsupial, southern ningaui, decreased with more moonlight, whereas captures of pygmy possums were higher with more moonlight.<\/p>\n

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\"Predators,<\/img>
\n Ningauis are less likely to be caught in ecological surveys with increasing moonlight. Credit: Kristian Bell
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

Moonlight songbird serenades<\/b>
\nResearch from last month has shown even species normally active by day may change their behavior and activity by night.
\nIt’s not uncommon to hear bird song by night, including the quintessentially Aussie warbling of magpies. Using bioacoustic recorders and song detection software, these researchers show the willie wagtail\u2014another of Australia’s most recogisable and loved birds\u2014is also a nighttime singer, particularly during the breeding season.
\nWhile both male and female wagtails sing by day, it is the males that are most vocal by night. And it seems the males aren’t afraid of a little stage-lighting either, singing more with increasing moonlight, with performances peaking during full moons.
\nThis work provides insight into the importance and potential role of nocturnal song for birds, such as mate attraction or territory defense, and helps us to better understand these behaviors more generally.<\/p>\n

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\n
\"Predators,<\/img>
\n While characteristically playful by day, male willie wagtails can really turn on a vocal performance by night. Credit: Jim Bendon\/Flickr
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

Moonlight affects wildlife conservation<\/b>
\nThese studies, and others, can help inform wildlife conservation, as practically speaking, ecological surveys must consider the relative brightness of nights during which work occurred.
\nDepending on when and where we venture out to collect information about species, and what methods we use (camera traps, spotlighting, and non-lethal trapping) we might have higher or lower chances of detecting certain species. And this might affect our insights into species and ecosystems, and how we manage them.
\nAs dark skies become rarer in many places around the world, it also begs a big question. To what extent is all the artificial light pollution in our cities and peri-urban areas affecting wildlife and ecosystems?
\nPipistrelle bats, for example, will be roughly half as active around well-lit bridges than unlit bridges. They’ll also keep further away from well-lit bridges, and fly faster when near them.
\nThis means artificial light might reduce the amount and connectivity of habitat available to some bat species in urban areas. This, in turn could affect their populations.
\nResearch is underway around the world, examining the conservation significance of such issues in more detail, but it’s another timely reminder of the profound ways in which we influence the environments we share with other species.<\/p>\n

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\n This article is republished from The Conversation under a Creative Commons license. Read the original article.\"The<\/img><\/p>\n

\n Citation<\/strong>:
\n Predators, prey and moonlight singing: How phases of the Moon affect native wildlife (2020, September 4)
\n retrieved 4 September 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-09-predators-prey-moonlight-phases-moon.html<\/p>\n

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\n part may be reproduced without the written permission. The content is provided for information purposes only.<\/p><\/div>\n<\/p><\/div>\n

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“#Predators, prey and moonlight singing: How phases of the Moon affect native wildlife” Credit: Wes Mountain\/The Conversation, CC BY-ND Humans have long been inspired and transfixed by the Moon, and as we’re discovering, moonlight can also change the behavior of Australian wildlife. A collection of recently published research has illuminated how certain behaviors of animals\u2014including…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[10628,61762,64534],"class_list":["post-60312","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-ecology","tag-predators","tag-prey-and-moonlight-singing-how-phases-of-the-moon-affect-native-wildlife"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/60312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=60312"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/60312\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=60312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=60312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=60312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}