Video evidence of mountings by female-plumaged birds of paradise (Aves: Paradisaeidae) in the wild: Is there evidence of alternative mating tactics? [0.03%]
关于天堂鸟科雌羽鸟类交配行为的视频证据：是否存在其他求偶策略？
Thomas MacGillavry,Claudia Janiczek,Leonida Fusani
Thomas MacGillavry
The bewildering courtship phenotypes of male birds of paradise (Paradisaedae) represent a classic example of sexual selection through mate choice. While the majority of sexual selection studies have focused on either mate choice or intrasex...
Amber Thatcher,Nathan Insel
Amber Thatcher
Degus (Octodon degus) are a highly gregarious species of caviomorph rodent native to South America. Kinship does not appear to play a role in degu social structure, and alloparenting is often observed between unrelated females. We hypothesi...
Do pet dogs reciprocate the receipt of food from familiar and unfamiliar conspecifics? [0.03%]
狗会回应同类给予的食物吗？
Jim McGetrick,Leona Fux,Johannes Schullern-Schrattenhofen et al.
Jim McGetrick et al.
Reciprocity is one of the most prominent explanations for the evolution of stable cooperation. Although reciprocity has been studied for decades in numerous animal species and behavioural contexts, its underlying proximate mechanisms remain...
Selection on ultrasonic call rate in neonatal rats affects low frequency, but not ultrasonic, vocalizations in adults [0.03%]
新生大鼠的超声频率选择影响成年后的低频但不影响超声叫声
Raffaela Lesch,Andrea Orozco,Margaret Shilling et al.
Raffaela Lesch et al.
In this experiment, we studied a rodent model selected over 57 generations for high or low rates of ultrasonic vocalizations (USVs) during maternal separation as pups. We investigated the influence of this breeding on the adult animals' sub...
Cognitive and sensory capacity each contribute to the canine spatial bias [0.03%]
犬类空间偏好的认知和感官能力各自的贡献
Ivaylo Borislavov Iotchev,Zsófia Bognár,Soufiane Bel Rhali et al.
Ivaylo Borislavov Iotchev et al.
Dogs interpret cues as being about location, which human infants would relate to objects. This spatial bias could shed light on the evolution of object-centered thought, however, research needs to rule out that this is not a by-product of d...
INTERACTIVE EFFECTS OF INCREASED NESTBOX TEMPERATURE AND VITAMIN E ON NESTLING GROWTH ARE ATTENUATED BY PLASTICITY IN FEMALE INCUBATION EFFORT [0.03%]
增加巢箱温度和维生素E对雏鸟生长的交互作用被雌性孵卵努力的可塑性减弱
Paige A Duncan,Ashley M Tauber,Scott K Sakaluk et al.
Paige A Duncan et al.
In recent years, temperatures have increased globally, and nestlings of many bird species are likely regularly exposed to increased temperatures both pre- and postnatally. Even small increases in nest temperature during incubation affect of...
Ratcheting up tool innovation in Goffin's cockatoos (Cacatua goffiniana): The effect of contextually diverse prior experience [0.03%]
贵妃 cockatoo（Cacatua goffiniana）中工具创新的螺旋上升：上下文多样先前经验的影响
Paula Ibáñez de Aldecoa,Alice M I Auersperg,Andrea S Griffin et al.
Paula Ibáñez de Aldecoa et al.
The ability to gain information from one situation, acquire new skills and/or perfect existing ones, and subsequently apply them to a new situation is a key element in behavioural flexibility and a hallmark of innovation. A flexible agent i...
Sneaky copulations by subordinate males suggest direct fitness benefits from male-male associations in spotted bowerbirds (Ptilonorhynchus maculatus) [0.03%]
卑屈雄鸟的暗中交配行为表明社群关系可为其带来直接适应效益——以斑点bowerbird(Ptilonorhynchus maculatus)为例
Giovanni Spezie,Leonida Fusani
Giovanni Spezie
Male spotted bowerbirds (Ptilonorhynchus maculatus) build and defend a structure of sticks and straw-the bower-decorated with colourful objects to attract mates during the breeding season. Specific non-territorial, subordinate males are tol...
The Effect of Familiarity with Demonstrators on Social Learning in Three-Spined Sticklebacks (Gasterosteus aculeatus) [0.03%]
演示者熟悉度对三刺鱼社会学习行为的影响
Rebecca M Trapp,Alison M Bell
Rebecca M Trapp
Social learning is an important process in the spread of information, especially in changing environments where inherited behaviors may not remain relevant. In many species, the decision of whom to trust to have reliable information depends...
Mélissa Peignier,Lauriane Bégué,Alina Gieseke et al.
Mélissa Peignier et al.
In many animal species, members of one sex, most often females, exhibit a strong preference for mating partners with particular traits or resources. However, when females sequentially mate with multiple partners, strategies underlying femal...