Development of object permanence in food-storing magpies (Pica pica).

Pollok, Bettina; Prior, Helmut; Güntürkün, Onur

doi:10.1037/0735-7036.114.2.148

Cited by 119 publications

(85 citation statements)

References 30 publications

(59 reference statements)

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“…The ability to form representations of objects that are outside of perception (object permanence) may be a precursor of imagination. In food-caching corvids, object permanence is essential for the successful recovery of cached food; in young magpies, it develops around the same time as caching (54).…”

Section: Wwwsciencemagorg Science Vol 306 10 December 2004mentioning

confidence: 99%

The Mentality of Crows: Convergent Evolution of Intelligence in Corvids and Apes

Emery

Clayton

2004

Science

996

637

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Discussions of the evolution of intelligence have focused on monkeys and apes because of their close evolutionary relationship to humans. Other large-brained social animals, such as corvids, also understand their physical and social worlds. Here we review recent studies of tool manufacture, mental time travel, and social cognition in corvids, and suggest that complex cognition depends on a ''tool kit'' consisting of causal reasoning, flexibility, imagination, and prospection. Because corvids and apes share these cognitive tools, we argue that complex cognitive abilities evolved multiple times in distantly related species with vastly different brain structures in order to solve similar socioecological problems.

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Section: Wwwsciencemagorg Science Vol 306 10 December 2004mentioning

confidence: 99%

The Mentality of Crows: Convergent Evolution of Intelligence in Corvids and Apes

Emery

Clayton

2004

Science

996

637

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“…Until young ravens and scrub-jays finally develop their full caching behaviour, placing items out of sight for later consumption, food and time are probably wasted and such tentative caching behaviours do not fulfil any obvious function except for the caching experience they may provide. This, together with their structured, sequential development, suggests that the propensity to cache may be pre-programmed (Pollok et al 2000;Bugnyar et al 2007a;Salwiczek et al 2009). …”

Section: Introduction (A)mentioning

confidence: 99%

Problems faced by food-caching corvids and the evolution of cognitive solutions

Grodzinski

Clayton

2010

Phil. Trans. R. Soc. B

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The scatter hoarding of food, or caching, is a widespread and well-studied behaviour. Recent experiments with caching corvids have provided evidence for episodic-like memory, future planning and possibly mental attribution, all cognitive abilities that were thought to be unique to humans. In addition to the complexity of making flexible, informed decisions about caching and recovering, this behaviour is underpinned by a motivationally controlled compulsion to cache. In this review, we shall first discuss the compulsive side of caching both during ontogeny and in the caching behaviour of adult corvids. We then consider some of the problems that these birds face and review the evidence for the cognitive abilities they use to solve them. Thus, the emergence of episodic-like memory is viewed as a solution for coping with food perishability, while the various cacheprotection and pilfering strategies may be sophisticated tools to deprive competitors of information, either by reducing the quality of information they can gather, or invalidating the information they already have. Finally, we shall examine whether such future-oriented behaviour involves future planning and ask why this and other cognitive abilities might have evolved in corvids.

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“…The ontogeny of hoarding behavior has been investigated in several birds and rodents such as loggerhead shrikes Lanius ludovicianus (Smith, 1972), crested tits Parus cristatus and willow tits Parus montanus (Haftorn, 1992), marsh tits Poecile palustris (Clayton, 1996), golden hamsters Mesocricetus auratus (Etienne et al, 1982(Etienne et al, , 1983 and European ground squirrels Spermophilus citellus (Heschl, 1993). However, this question has been largely ignored in recent years (but see Pollok et al, 2000;Bugnyar et al, 2007). As a result detailed examples that illuminate the process of the behavioral ontogeny of hoarding remain scant.…”

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Differences in hoarding behavior between captive and wild sympatric rodent species

Zhang

Wang

2011

Current Zoology

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In hand reared birds and mammals, it is generally considered that the development of hoarding behavior is the result of an interaction between the development and maturation of the nervous system and learning from individual experience. However, few studies have been done on wild animals. We tested differences in hoarding behavior between captive reared and wild individuals of two sympatric small rodents, Korean field mice Apodemus peninsulae and Chinese white-bellied rats Niviventer confucianus. Our aim was to identify if lack of experience from the wild would result in poorly developed hoarding behavior. The Korean field mice perform scatter-and larder-hoarding behaviors whereas Chinese white-bellied rats hoard food in larders only. Within outdoor enclosures we compared seed-hoarding behavior in reared juveniles (RJ, 40-50 d old, pregnant mothers were captured in the wild), wild juveniles (WJ, as young as the RJ) and wild adults (WA, over-winter animals). We found that a lack of experience from the wild had significant effects on seed-hoarding behavior for both species. The RJ-group removed and hoarded fewer seeds than the WJ-and WA-groups. The two latter groups hoarded seeds in a similar way. In the Korean filed mouse the RJ-group placed more seeds on the ground surface than other groups. These findings suggest that wild experience is important for the acquisition of an appropriate food-hoarding behavior (especially for scatter-hoarding) in these species [Current Zoology 57 (6): 725-730, 2011].

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Development of object permanence in food-storing magpies (Pica pica).

Cited by 119 publications

References 30 publications

The Mentality of Crows: Convergent Evolution of Intelligence in Corvids and Apes

The Mentality of Crows: Convergent Evolution of Intelligence in Corvids and Apes

Problems faced by food-caching corvids and the evolution of cognitive solutions

Differences in hoarding behavior between captive and wild sympatric rodent species

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