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Poison frog social behaviour under global change: potential impacts and future challenges 全球变化下毒蛙的社会行为:潜在影响和未来挑战
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-08-03 DOI: 10.1007/s10211-022-00400-6
Lia Schlippe Justicia, Chloe A. Fouilloux, Bibiana Rojas

The current and cascading effects of global change challenges the interactions both between animal individuals (i.e. social and sexual behaviour) and the environment they inhabit. Amphibians are an ecologically diverse class with a wide range of social and sexual behaviours, making them a compelling model to understand the potential adaptations of animals faced with the effects of human-induced rapid environmental changes (HIREC). Poison frogs (Dendrobatoidea) are a particularly interesting system, as they display diverse social behaviours that are shaped by conspecific and environmental interactions, thus offering a tractable system to investigate how closely related species may respond to the impacts of HIREC. Here, we discuss the potential impacts of global change on poison frog behaviour, and the future challenges this group may face in response to such change. We pay special attention to parental care and territoriality, which are emblematic of this clade, and consider how different species may flexibly respond and adapt to increasingly frequent and diverse anthropogenic stress. More specifically, we hypothesise that some parents may increase care (i.e. clutch attendance and distance travelled for tadpole transport) in HIREC scenarios and that species with more generalist oviposition and tadpole deposition behaviours may fare more positively than their less flexible counterparts; we predict that the latter may either face increased competition for resources limited by HIREC or will be forced to adapt and expand their natural preferences. Likewise, we hypothesise that human-driven habitat alteration will disrupt the acoustic and visual communication systems due to increased noise pollution and/or changes in the surrounding light environment. We highlight the need for more empirical research combining behavioural ecology and conservation to better predict species’ vulnerability to global change and efficiently focus conservation efforts.

全球变化的当前和级联效应对动物个体(即社会和性行为)与它们所居住的环境之间的相互作用提出了挑战。两栖动物是一个生态多样化的类,具有广泛的社会和性行为,使它们成为了解动物面对人类引起的快速环境变化(HIREC)影响的潜在适应性的令人信服的模型。毒蛙是一个特别有趣的系统,因为它们表现出不同的社会行为,这些行为是由同种和环境的相互作用形成的,因此提供了一个可处理的系统来研究密切相关的物种如何对HIREC的影响做出反应。在这里,我们讨论了全球变化对毒蛙行为的潜在影响,以及这个群体在应对这种变化时可能面临的未来挑战。我们特别关注亲代抚育和领地性,这是这一分支的象征,并考虑不同物种如何灵活地响应和适应日益频繁和多样化的人为压力。更具体地说,我们假设在HIREC的情况下,一些亲本可能会增加照顾(即孵卵次数和蝌蚪运输的距离),并且具有更多通才产卵和蝌蚪沉积行为的物种可能比不太灵活的物种表现得更积极;我们预测,后者要么面临更激烈的资源竞争,要么将被迫适应和扩大其自然偏好。同样,我们假设,由于噪音污染增加和/或周围光环境的变化,人类驱动的栖息地改变将破坏声学和视觉通信系统。我们强调需要更多的实证研究结合行为生态学和保护,以更好地预测物种对全球变化的脆弱性,并有效地集中保护工作。
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引用次数: 1
Using machine learning and DeepLabCut in animal behavior 机器学习和DeepLabCut在动物行为中的应用
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-07-16 DOI: 10.1007/s10211-022-00397-y
Abigail Hardin, Ingo Schlupp
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引用次数: 4
Promiscuity in the Greater Rhea: a genetic approach 大雷亚地区的滥交:一种遗传方法
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-06-30 DOI: 10.1007/s10211-022-00398-x
Mónica B. Martella, Mauricio Renny, Marina B. Chiappero, Joaquín L. Navarro

Greater Rheas (Rhea americana) have a social mating system in which several females lay eggs in communal nests, and males incubate and care for chicks. Behavioural observation methods used so far are insufficient to unravel if females form a cohesive “harem,” simultaneous polyandry (promiscuity) occurs in the wild, and multipaternity occurs in each clutch. We used molecular markers to conduct for the first time a genotype-based sibship and parentage assignment analysis among reproductive individuals and their offspring, within and between nests, in a wild Greater Rhea population of central Argentina. In a 4800-ha area, we found five nests from which we collected complete clutches and feathers of incubating males. We successfully determined the genotypes of three males and all 141 offspring at 8 microsatellite loci. We inferred the parents involved in matings and their genotypes based on offspring’s genotypes. A total of 37 males and 47 females were engaged in the assigned pairings, and one incubating male did not fertilise any egg. We obtained three main novel results that enlighten the mating system of Rheas: (a) females do not form “harems”; (b) there is evidence of promiscuity; and (c) incubator male does not father the majority of offspring from his nest. The strategy of Greater Rheas is to copulate with several individuals simultaneously and lay eggs in different nests, independently of whether or not the incubating male fathers those eggs. These results provide a new and significant step in understanding the complex mating system of this ratite.

美洲大鲵(Rhea americana)有一个社会交配系统,几只雌性在公共巢穴中产卵,雄性孵化和照顾小鸡。迄今为止使用的行为观察方法还不足以揭示雌性是否形成了一个有凝聚力的“后宫”,野生环境中是否同时发生了一妻多夫制(滥交),以及每一窝发生了多父制。我们首次使用分子标记对阿根廷中部野生大土耳羊种群的繁殖个体及其后代进行了基于基因型的兄弟姐妹和亲子关系分配分析。在4800公顷的范围内,我们发现了5个巢,从中我们收集了完整的卵和孵化雄性的羽毛。我们成功地在8个微卫星位点上确定了3只雄性和141只后代的基因型。我们根据后代的基因型推断出参与交配的父母及其基因型。共有37只雄性和47只雌性参与了指定的配对,其中一只孵化中的雄性没有使任何卵子受精。我们获得了三个主要的新结果,对美洲豹的交配制度有启发:(a)雌性不形成“后宫”;(b)有滥交的证据;(c)孵卵雄性不会为巢中的大多数后代做父亲。大Rheas的策略是同时与几个个体交配,并在不同的巢穴中产卵,而不管孵化的雄性是否为这些卵的父亲。这些结果为了解这一比率的复杂交配系统提供了新的和重要的一步。
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引用次数: 0
First evidence for active carnivorous predation in the European ground squirrel 欧洲地松鼠主动捕食的第一个证据
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-06-28 DOI: 10.1007/s10211-022-00399-w
Maria Kachamakova, Teodora Koynova, Radoslav Tsvetkov, Yordan Koshev

The Sciuridae family is generally referred to as herbivorous and occasionally omnivorous. Although sciurids are known to opportunistically feed on carcasses of other vertebrates (including cannibalism), the active predation on vertebrates is presumably rare. Here, we present a case of a European ground squirrel (Spermophilus citellus) catching and eating a young Eurasian tree sparrow (Passer montanus) accompanied by photographic evidence. This is the first documented observation of bird-killing behavior in this endangered rodent. The incident happened at the end of spring (beginning of June) when the plant proteins are still scarce. At this time of the season, the ground squirrels are exhausted by reproduction efforts and need highly energetic food in order to recover.

Sciuridae家族通常被称为草食性和偶尔杂食性。虽然众所周知,水母会以其他脊椎动物的尸体为食(包括同类相食),但对脊椎动物的主动捕食可能是罕见的。在这里,我们提出了一个案例,一只欧洲地松鼠(spermoophilus citellus)捕捉并吃掉了一只年轻的欧亚树麻雀(Passer montanus),并附有照片证据。这是对这种濒危啮齿动物捕杀鸟类行为的首次记录观察。事件发生在春末(6月初)植物蛋白仍然稀缺的时候。在这个季节的这个时候,地松鼠因繁殖而疲惫不堪,需要高能量的食物来恢复。
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引用次数: 0
Occurrence of long-finned pilot whales (Globicephala melas) and killer whales (Orcinus orca) in Icelandic coastal waters and their interspecific interactions 冰岛沿海水域长鳍领航鲸(Globicephala melas)和虎鲸(Orcinus orca)的发生及其种间相互作用
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-06-07 DOI: 10.1007/s10211-022-00394-1
Anna Selbmann, Charla J. Basran, Chiara G. Bertulli, Tess Hudson, Marie-Thérèse Mrusczok, Marianne H. Rasmussen, Jonathan N. Rempel, Judith Scott, Jörundur Svavarsson, Paul J. Wensveen, Megan Whittaker, Filipa I. P. Samarra

Long-finned pilot whales and killer whales are widely distributed across the North Atlantic, but few studies have reported their occurrence in Icelandic coastal waters. Here, we use sightings data from research platforms and whale watching tours in six regions of Iceland from 2007 to 2020 to show that the occurrence of long-finned pilot and killer whales varied with region and season. Killer whales were regularly encountered in the south of Iceland during summer and west of Iceland during winter/spring. Long-finned pilot whales were only seen during the summer and were most often encountered in the south, west, and northwest of Iceland. Long-finned pilot whale occurrence in the south of Iceland appeared to increase during the study period but killer whale occurrence showed no noticeable changes. Long-finned pilot whales were sighted often in the areas that were also frequented by killer whales and interspecific interactions were commonly observed when both species co-occurred. Interactions appeared to be antagonistic, with killer whales often avoiding long-finned pilot whales and sometimes fleeing at high speed, similar to what has been described elsewhere in the North Atlantic. In the majority of interactions observed (68%), killer whales avoided long-finned pilot whales by moving away, but in 28% avoidance was at high speed with both species porpoising. This variability in the type of behavioural responses indicates that interactions may be more complex than previously described. We discuss regional trends in long-finned pilot whale and killer whale sightings and potential drivers of the observed interactions.

长鳍领航鲸和虎鲸广泛分布在北大西洋,但很少有研究报告它们在冰岛沿海水域出现。在这里,我们利用2007年至2020年在冰岛六个地区的研究平台和观鲸游的观测数据,表明长鳍领航鲸和虎鲸的出现随地区和季节而变化。夏季在冰岛南部和冬季/春季在冰岛西部经常会遇到虎鲸。长鳍领航鲸只在夏季出现,最常出现在冰岛的南部、西部和西北部。在研究期间,冰岛南部长鳍领航鲸的数量似乎有所增加,但虎鲸的数量没有明显变化。长鳍领航鲸经常出现在虎鲸经常出没的地区,当两个物种共同出现时,通常会观察到种间的相互作用。相互作用似乎是敌对的,虎鲸经常避开长鳍领航鲸,有时会高速逃跑,类似于北大西洋其他地方的描述。在观察到的大多数相互作用中(68%),虎鲸通过移动来避开长鳍领航鲸,但在28%的情况下,两种鼠海豚都以高速躲避。这种行为反应类型的可变性表明,相互作用可能比先前描述的更为复杂。我们讨论了长鳍领航鲸和虎鲸目击的区域趋势以及观察到的相互作用的潜在驱动因素。
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引用次数: 5
Correction to: A novel mode of bathing behavior of hummingbirds recorded in the Brazilian ruby Heliodoxa rubricauda and allies (Aves: Trochilidae) 更正:在巴西红宝石Heliodoxa rubricauda及其盟友(Aves:Trochilidae)中记录的蜂鸟洗澡行为的一种新模式
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-06-03 DOI: 10.1007/s10211-022-00395-0
Fabio Schunck, Kleber Evangelista Rodrigues, Marco Aurélio Galvão da Silva, Cristine Prates, Ciro Albano, Vítor Q. Piacentini
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引用次数: 0
The daily and seasonal behaviour of the American mink and the coypu, two invasive species from the Záhorie PLA (Slovakia) 两种来自Záhorie PLA(斯洛伐克)的入侵物种美洲水貂和河狸的日常和季节行为
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-05-10 DOI: 10.1007/s10211-022-00396-z
Ivana Poláčková, Božena Šerá, Rudolf Jureček, Katarína Pavličková

The activity of small invasive mammals, the American mink (Neovison vison) and the coypu (Myocastor coypus), was monitored in western part of Slovakia. Camera traps were located at 9 localities where these animals occur and were monitored throughout all four seasons. The activity of these two invasive species was analysed with regard to the habitat type and environment and, but especially, to the relationship to season, daily period, part of the day and activities. The following animal activities were observed: environmetal exploration, movement, swimming, stationary, grooming, play, flee, feeding, change of environment, mating behaviour and territorial marking. In case of the coypu, crepuscular and nocturnal activities were prevalent. Activity during daytime occurred mostly during winter days with low temperatures. On the other hand, American minks were mostly diurnal. The shift in behaviour compared to American minks in their native environment could be a sign of its adaptation to a new environment. Our research also showed seasonal changes in activity of both invasive mammals. This research could serve as a basis for management schemes to combat the presence and dispersal of these two invasive mammal species.

对斯洛伐克西部地区小型入侵哺乳动物美洲水貂(Neovison vison)和河狸(myastor coypus)的活动进行了监测。在这些动物出没的9个地点设置了相机陷阱,并在所有四个季节进行监测。分析了这两种入侵物种的生境类型和环境,特别分析了它们与季节、日期、日段和活动的关系。观察动物的活动:环境探索、运动、游泳、静止、梳理、玩耍、逃跑、进食、环境变化、交配行为和领土标记。对于河狸来说,黄昏和夜间的活动很普遍。白天的活动主要发生在气温较低的冬季。另一方面,美国的水貂大多是白天活动的。与本土环境中的美国水貂相比,这种行为上的转变可能是它们适应新环境的标志。我们的研究还显示了这两种入侵哺乳动物活动的季节性变化。该研究可作为防治这两种入侵哺乳动物的存在和扩散的管理方案的基础。
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引用次数: 0
A novel mode of bathing behavior of hummingbirds recorded in the Brazilian ruby Heliodoxa rubricauda and allies (Aves: Trochilidae) 巴西红宝石Heliodoxa rubricauda及其盟友中记录的蜂鸟洗澡行为的新模式(鸟类:踏鸟科)
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-04-23 DOI: 10.1007/s10211-022-00393-2
Fabio Schunck, Kleber Evangelista Rodrigues, Marco Aurélio Galvão da Silva, Cristine Prates, Ciro Albano, Vítor Q. Piacentini

The Brazilian ruby, Heliodoxa rubricauda, is a forest species of hummingbird endemic to the Atlantic Forest. It belongs to an Andean clade of birds with robust and strong legs and adapted to feed on inflorescences of plants from high regions and influenced by strong winds. It occurs from northeastern to southern Brazil on slopes, sierras, and mountains and has the little-known behavior of bathing in waterfalls and forest streams. Based on five field observations made in the state of São Paulo, and records available from online photo platforms, we concluded that H. rubricauda is the only species of hummingbird in Brazil that bathes by settling on rocks of forest waterfalls with medium to strong currents. This behavior is made possible by the robust and strong legs the species inherited from its evolutionary lineage, which, in the Atlantic Forest, are used for feeding, defense, and bathing. We hypothesize that this behavior is more efficient for body hygiene than other existing behaviors because it allows a greater amount of water to pass over the body, thereby eliminating traces of food and parasites, in addition to reducing risks of predation.

巴西红宝石(Heliodoxa rubricauda)是大西洋森林特有的一种森林蜂鸟。它属于安第斯山脉的一种鸟类,腿健壮有力,适应以高处植物的花序为食,受强风影响。它发生在巴西东北部到南部的斜坡、山脉和山上,有鲜为人知的在瀑布和森林溪流中洗澡的行为。根据在圣保罗州进行的五次实地观察,以及在线照片平台上的记录,我们得出结论:红花鸟(H. rubricauda)是巴西唯一一种通过落在森林瀑布的岩石上洗澡的蜂鸟,这些瀑布有中强水流。这种行为是由于这种物种从其进化谱系中继承了强壮的腿,在大西洋森林中,这些腿用于觅食、防御和洗澡。我们假设这种行为比其他现有的行为更有效地保持身体卫生,因为它允许更多的水通过身体,从而消除食物和寄生虫的痕迹,此外还减少了被捕食的风险。
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引用次数: 1
First record of crab-eating mongoose (Herpestes urva formosanus) in coastal forest and use of anvils during predation on land hermit crabs in Taiwan 台湾沿海森林食蟹獴(Herpestes urva formosanus
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-04-22 DOI: 10.1007/s10211-022-00392-3
Shu-Huang Huang, Chia-Hsuan Hsu

Crab-eating mongooses (Herpestes urva) are widely distributed across Southeast Asia. In Taiwan, the mongoose (H. urva formosanus, endemic subspecies) is a protected species under the Wildlife Protection Act. Crab-eating mongooses have been observed near streams, riversides, agricultural lands, and shallow mountain areas. Additionally, as described in this short communication, by using a remote camera, we observed a small population of mongooses in the coastal forest in Kenting National Park in Taiwan. The mongooses in the coastal forest were observed eating land hermit crabs, which is the first-ever recorded observation of this behavior. Mongooses are known to consume crabs (Brachyura), insects, and some small reptiles. However, this article presents the first record case of mongooses using stone anvil to crack open land hermit crabs. From our observations and field records, we determined that mongooses use flat rocks as anvils and their front paws to tap hermit crabs’ shells repeatedly to break the shells and remove the hermit crabs. We also observed that the mongooses only ate the abdomens of large hermit crabs. Additional studies are necessary to determine why the mongooses migrated to the coastal forest and how they learned to open hermit crab shells. This behavior of mongooses might help them move into living in coastal forests.

食蟹猫鼬(Herpestes urva)广泛分布在东南亚。在台湾,猫鼬(H. urva formosanus,特有亚种)是受野生动物保护法保护的物种。人们在溪流、河边、农田和浅山区附近观察到吃螃蟹的猫鼬。此外,正如本文所述,我们使用远程相机在台湾垦丁国家公园的沿海森林中观察到一个小种群的猫鼬。沿海森林中的猫鼬被观察到吃陆地寄居蟹,这是对这种行为的首次记录观察。猫鼬以吃螃蟹(Brachyura)、昆虫和一些小型爬行动物而闻名。然而,本文首次记录了猫鼬用石砧撬开陆地寄居蟹的案例。根据我们的观察和野外记录,我们确定猫鼬使用平坦的岩石作为铁砧,它们的前爪反复敲打寄居蟹的壳,以打破壳并将寄居蟹移走。我们还观察到猫鼬只吃大型寄居蟹的腹部。需要进一步的研究来确定猫鼬迁移到沿海森林的原因,以及它们如何学会打开寄居蟹的壳。猫鼬的这种行为可能有助于它们在沿海森林中生活。
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引用次数: 2
Can contrasting habitats influence predatory behavior in tropical forest scorpions? 不同的栖息地会影响热带森林蝎子的捕食行为吗?
IF 1.1 4区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2022-03-22 DOI: 10.1007/s10211-022-00390-5
Henrique P. Cunha, Adriana B. Santos, Stênio Í. A. Foerster, Geraldo J. B. Moura, André F. A. Lira

Predation strategies are often habitat-dependent; therefore, contrasting biomes, such as rainforests and seasonally dry forests, may be useful for understanding how the environment influences predatory behavior. The aim of this study was to evaluate the prey capture behavior of scorpions from contrasting habitats in northeastern Brazil. The scorpions’ use of the stinger and movement probability after prey capture were analyzed. We collected 120 scorpions, 60 from the Atlantic Forest and 60 from the Caatinga drylands. Our results indicate that scorpions from the Atlantic Forest tended to use their stinger more frequently than those from the Caatinga habitat. We also found that Caatinga scorpions moved approximately 40% more after prey capture than the Atlantic Forest species. Environmental pressures related to the metabolic costs of venom production and potential predation risk may partially explain the differential behavior observed in this study. Therefore, our results suggest that despite the morphological differences between species, animals from contrasting habitats may show different prey capture strategies.

捕食策略往往依赖于栖息地;因此,对比生物群落,如热带雨林和季节性干燥森林,可能有助于理解环境如何影响捕食行为。本研究的目的是评估来自巴西东北部不同栖息地的蝎子的猎物捕获行为。分析了蝎子对毒刺的使用和猎物捕获后的移动概率。我们收集了120只蝎子,60只来自大西洋森林,60只来自卡廷加旱地。我们的研究结果表明,来自大西洋森林的蝎子比来自Caatinga栖息地的蝎子更频繁地使用它们的毒刺。我们还发现,在捕获猎物后,Caatinga蝎子的移动速度比大西洋森林的蝎子大约多40%。与毒液产生的代谢成本和潜在的捕食风险相关的环境压力可能部分解释了本研究中观察到的差异行为。因此,我们的研究结果表明,尽管物种之间存在形态差异,但不同栖息地的动物可能表现出不同的猎物捕获策略。
{"title":"Can contrasting habitats influence predatory behavior in tropical forest scorpions?","authors":"Henrique P. Cunha,&nbsp;Adriana B. Santos,&nbsp;Stênio Í. A. Foerster,&nbsp;Geraldo J. B. Moura,&nbsp;André F. A. Lira","doi":"10.1007/s10211-022-00390-5","DOIUrl":"10.1007/s10211-022-00390-5","url":null,"abstract":"<div><p>Predation strategies are often habitat-dependent; therefore, contrasting biomes, such as rainforests and seasonally dry forests, may be useful for understanding how the environment influences predatory behavior. The aim of this study was to evaluate the prey capture behavior of scorpions from contrasting habitats in northeastern Brazil. The scorpions’ use of the stinger and movement probability after prey capture were analyzed. We collected 120 scorpions, 60 from the Atlantic Forest and 60 from the Caatinga drylands. Our results indicate that scorpions from the Atlantic Forest tended to use their stinger more frequently than those from the Caatinga habitat. We also found that Caatinga scorpions moved approximately 40% more after prey capture than the Atlantic Forest species. Environmental pressures related to the metabolic costs of venom production and potential predation risk may partially explain the differential behavior observed in this study. Therefore, our results suggest that despite the morphological differences between species, animals from contrasting habitats may show different prey capture strategies.</p></div>","PeriodicalId":6879,"journal":{"name":"acta ethologica","volume":"25 2","pages":"107 - 113"},"PeriodicalIF":1.1,"publicationDate":"2022-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45591436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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