Manufacture and use of hook-tools by New Caledonian crows

By G. Hunt. 1996

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Citations in the corpus

The ecology of tool-use in the woodpecker finch (Cactospiza pallida) (2002, background): “…1966), greenbacked herons (Butroides striatus) use bait to catch fish (Walsh et al. 1985), satin bower birds (Ptilonorhynchus violaecus) use bark-wads to paint their bower (Chaffer 1945), and New Caledonian crows (Corvus moneduloides) make and use two forms of tools to capture prey (Hunt 1996).”
Cooperative problem solving in a social carnivore (2009, unknown): “…performance of these same skills by nonprimates, including, for instance, teaching in meerkats (Thornton & McAuliffe 2006), culture in cetaceans (Noad et al. 2000; Rendall & Whitehead 2001), tool use in corvids (Hunt 1999; Weir et al. 2002) and transitive inference in fish (Grosenick et al. 2007).”
Comparing the Complex Cognition of Birds and Primates (2004, background): “Hunt (1996) described how he observed 4 crows manufacture two types of tools and 68 crows carry or use tools in three forests in New Caledonia.”
A case of quick problem solving in birds: string pulling in keas, Nestor notabilis (2006, background): “In conclusion, the findings from parrot studies have shown that neither extensive tool use and manufacturing, as in New Caledonian crows, Corvus moneduloides (Hunt 1996), nor food caching and feeding in the vicinity of dangerous predators, as in ravens (Heinrich 1999; Bugnyar & Kotrschal 2002), are ”
The Evolution of Thought: The manual skills and cognition that lie behind hominid tool use (2004, background): “Now, however, some local populations of New Caledonia crows Corvus moneduloides have been found to manufacture tools, modifying stems and leaves to create hooks and barbs for extracting insects from crevices (Hunt, 1996, 2000).”
Revised nomenclature for avian telencephalon and some related brainstem nuclei (2004, background): “Crows, a type of songbird, show the ability to make and use tools (Hunt, 1996, 2000; Weir et al., 2002), and parrots are capable of learning and communicating with simple semantic human language and show cognitive skills evident only in apes and cetaceans among nonhuman species (Pepperberg, 1999,…”
Social cognition by food-caching corvids. The western scrub-jay as a natural psychologist (2007, background): “New Caledonian crows (Corvus moneduloides) also manufacture different types of tool that have different functions (Hunt 1996).”
Play, Playfulness, Creativity and Innovation (2013, background): “In particular, the kea (Huber, Rechberger, & Taborsky, 2001) and the New Caledonian crow (Hunt, 1996) are especially remarkable.”
Tools and brains in birds (2002, methodology): “First, we review the specialized literature, starting from Boswall’s (1977, 1978, 1983a, b) comprehensive papers and incorporating cases published since then (e.g. Andersson, 1989; Marks & Hall, 1992; Hunt, 1996; Caffrey, 2000).”
Cognitive abilities related to tool use in the woodpecker finch, Cactospiza pallida (2004, background): “... is known from several bird species: Egyptian vultures, Neophron percnopterus, drop stones on ostrich eggs (van Lawick-Goodall & van Lawick 1966); green-backed herons, Butorides striatus, use bait to catch fish (Walsh et al. 1985); satin bowerbirds, Ptilonorhynchus violaceus, use bark wads to pai”
Development of tool use in New Caledonian crows: inherited action patterns and social influences (2006, background): “in press), this species stands out with regard to: the frequency of their TOB and the diversity and complexity of tool shapes routinely used in the wild (Hunt 1996; Hunt 2000; Hunt & Gray 2002; Hunt & Gray 2004a; Hunt & Gray 2004b); their ability to select tools appropriate for a given task (Chappel”
‘Conformity’ in Norway rats? (2008, background): “…ants: Franks & Richardson 2006; meerkats: Thornton & McAuliffe 2006; pied babblers: Raihani & Ridley 2008; culture: guppies: Laland & Hoppitt 2003; cowbirds: White et al. 2007; great apes: Whiten et al. 1999; van Schaik et al. 2003; tool making: crows: Hunt 1996; chimpanzees: McGrew 1992).”
Testing Problem Solving in Ravens: String-Pulling to Reach Food (2005, methodology): “Corvids are, next to parrots (Pepperberg 1999), especially well known for both excellent beak–foot coordination (e.g. Gwinner 1966; Hunt 1996) and cognitive skills (e.g. Kamil & Balda 1985; Clayton & Dickinson 1998; Weir et al. 2002).”