scholarly journals Foraging zebra finches ( Taeniopygia guttata ) are public information users rather than conformists

2021 ◽  
Vol 17 (6) ◽  
pp. 20200767
Author(s):  
Edwin J. C. van Leeuwen ◽  
Thomas J. H. Morgan ◽  
Katharina Riebel

Social learning enables adaptive information acquisition provided that it is not random but selective. To understand species typical decision-making and to trace the evolutionary origins of social learning, the heuristics social learners use need to be identified. Here, we experimentally tested the nature of majority influence in the zebra finch. Subjects simultaneously observed two demonstrator groups differing in relative and absolute numbers (ratios 1 : 2/2 : 4/3 : 3/1 : 5) foraging from two novel food sources (black and white feeders). We find that demonstrator groups influenced observers' feeder choices (social learning), but that zebra finches did not copy the majority of individuals. Instead, observers were influenced by the foraging activity (pecks) of the demonstrators and in an anti-conformist fashion. These results indicate that zebra finches are not conformist, but are public information users.

2021 ◽  
Vol 288 (1951) ◽  
pp. 20202843
Author(s):  
Virginia K. Heinen ◽  
Angela M. Pitera ◽  
Benjamin R. Sonnenberg ◽  
Lauren M. Benedict ◽  
Eli S. Bridge ◽  
...  

Social learning is a primary mechanism for information acquisition in social species. Despite many benefits, social learning may be disadvantageous when independent learning is more efficient. For example, searching independently may be more advantageous when food sources are ephemeral and unpredictable. Individual differences in cognitive abilities can also be expected to influence social information use. Specifically, better spatial memory can make a given environment more predictable for an individual by allowing it to better track food sources. We investigated how resident food-caching chickadees discovered multiple novel food sources in both harsher, less predictable high elevation and milder, more predictable low elevation winter environments. Chickadees at high elevation were faster at discovering multiple novel food sources and discovered more food sources than birds at low elevation. While birds at both elevations used social information, the contribution of social learning to food discovery was significantly lower at high elevation. At both elevations, chickadees with better spatial cognitive flexibility were slower at discovering food sources, likely because birds with lower spatial cognitive flexibility are worse at tracking natural resources and therefore spend more time exploring. Overall, our study supported the prediction that harsh environments should favour less reliance on social learning.


2004 ◽  
Vol 82 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Stéphanie M Doucet ◽  
Stephen M Yezerinac ◽  
Robert Montgomerie

We investigated whether female zebra finches (Taeniopygia guttata) would alter their mate preferences after observing the choices of other females. Experimental trials consisted of four 30-min stages: (A) acclimation, (B) observer female chooses between two males, (C) observer female watches a model female interact with her nonpreferred male from stage B, and (D) observer female again chooses between the two males. Control trials were identical except that there was no model female in stage C. Females in both experimental and control trials spent significantly more time with the nonpreferred male in stage D than they had in stage B; thus, our experiment appeared to reveal no evidence of mate choice copying. There was, however, a significant positive relationship between the increase in the time that an observer female in experimental trials spent with her nonpreferred male in stage D and the number of interactions that she had previously observed between the model female and that male in stage C. A second experiment of similar design, where observer females were prevented from observing the model female and nonpreferred male interact in stage B, demonstrated that the behaviour of the observer female in the first experiment was not simply a response to changes in male behaviour in stage D. While our experiment does not support the hypothesis that female zebra finches copy each other's mate preferences, our findings suggest that public information may influence the behaviour of female zebra finches toward potential mates.


Behaviour ◽  
2015 ◽  
Vol 152 (11) ◽  
pp. 1569-1584 ◽  
Author(s):  
M.M. Webster ◽  
K.N. Laland

If we are to understand the cognitive basis and evolutionary origins of a particular behaviour, it is necessary to identify its underlying mechanism. Ninespine sticklebacks (Pungitius pungitius) can identify the richer of two prey patches by observing other foragers’ success. This may be due to social learning, or an unlearned social effect on travel direction, brought about by the fish being more likely to face and subsequently travel towards areas where they have observed more feeding activity. Here we show that observer orientation does not predict patch choice, and that fish are still more likely to spend more time in richer patches even if they have to take an indirect route to reach them. This suggests that sticklebacks can learn the location of the richer patch through observation, and viewed in conjunction with other published findings, suggests that learned local enhancement lies behind public information use in this species.


2018 ◽  
Vol 14 (3) ◽  
pp. 20170777 ◽  
Author(s):  
Logan S. James ◽  
Jennifer B. Dai ◽  
Jon T. Sakata

Many important behaviours are socially learned. For example, the acoustic structure of courtship songs in songbirds is learned by listening to and interacting with conspecifics during a sensitive period in development. Signallers modify the spectral and temporal structures of their vocalizations depending on the social context, but the degree to which this modulation requires imitative social learning remains unknown. We found that male zebra finches ( Taeniopygia guttata ) that were not exposed to context-dependent song modulations throughout development significantly modulated their song in ways that were typical of socially reared birds. Furthermore, the extent of these modulations was not significantly different between finches that could or could not observe these modulations during tutoring. These data suggest that this form of vocal flexibility develops without imitative social learning in male zebra finches.


Author(s):  
Kevin M. Baron

Executive privilege (EP) as a political tool has created a grey area of constitutional power between the legislative and executive branches. By focusing on the post-WWII political usage of executive privilege, this research utilizes a social learning perspective to examine the power dynamics between Congress and the president when it comes to government secrecy and public information. Social learning provides the framework to understand how the Cold War's creation of the modern American security state led to a paradigm shift in the executive branch. This shift altered the politics of the presidency and impacted relations with Congress through extensive use of EP and denial of congressional requests for information. When viewed through a social learning lens, the institutional politics surrounding the development of the Freedom of Information Act is intricately entwined with EP as a political power struggle of action-reaction between the executive and legislative branches. Using extensive archival research, this historical analysis examines the politics surrounding the modern use of executive privilege from Truman through Nixon as an action-reaction of checks on power from the president and Congress, where each learns and responds based on the others previous actions. The use of executive privilege led to the Freedom of Information Act showing how policy can serve as a congressional check on executive power, and how the politics surrounding this issue influence contemporary politics.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Charlotte Canteloup ◽  
Mabia B. Cera ◽  
Brendan J. Barrett ◽  
Erica van de Waal

AbstractSocial learning—learning from others—is the basis for behavioural traditions. Different social learning strategies (SLS), where individuals biasedly learn behaviours based on their content or who demonstrates them, may increase an individual’s fitness and generate behavioural traditions. While SLS have been mostly studied in isolation, their interaction and the interplay between individual and social learning is less understood. We performed a field-based open diffusion experiment in a wild primate. We provided two groups of vervet monkeys with a novel food, unshelled peanuts, and documented how three different peanut opening techniques spread within the groups. We analysed data using hierarchical Bayesian dynamic learning models that explore the integration of multiple SLS with individual learning. We (1) report evidence of social learning compared to strictly individual learning, (2) show that vervets preferentially socially learn the technique that yields the highest observed payoff and (3) also bias attention toward individuals of higher rank. This shows that behavioural preferences can arise when individuals integrate social information about the efficiency of a behaviour alongside cues related to the rank of a demonstrator. When these preferences converge to the same behaviour in a group, they may result in stable behavioural traditions.


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