Volume 49, issue 1, March 2021

Special Issue: In Honor of the Contributions of Irene M. Pepperberg . Guest Editors: Debbie M. Kelly and Lauren M. Guillette

17 articles in this issue

Does captivity alter problem-solving behavior in Goffin’s cockatoos?

Authors
- Irene M. Pepperberg
- Content type: Outlook
- Published: 24 February 2021
- Pages: 1 - 2
The conscious crow

Authors
- Onur Güntürkün
- Content type: Outlook
- Open Access
- Published: 17 February 2021
- Pages: 3 - 4
Anybody watching? How others affect helpful actions

Authors
- Manon K. Schweinfurth
- Content type: Outlook
- Published: 03 September 2020
- Pages: 5 - 6
A special issue in honor of Irene Pepperberg: The chemist of comparative cognition

Authors
- Debbie M. Kelly
- Lauren M. Guillette
- Content type: Editorial
- Published: 11 February 2021
- Pages: 7 - 8
Convergent evolution of complex cognition: Insights from the field of avian cognition into the study of self-awareness

Authors (first, second and last of 4)
- Luigi Baciadonna
- Francesca M. Cornero
- Nicola S. Clayton
- Content type: OriginalPaper
- Published: 13 July 2020
- Pages: 9 - 22
Conspecific presence, but not pilferage, influences pinyon jays’ (Gymnorhinus cyanocephalus) caching behavior

Authors
- Alizée Vernouillet
- Hera J. M. Casidsid
- Debbie M. Kelly
- Content type: OriginalPaper
- Published: 02 December 2020
- Pages: 23 - 35
Kea, Nestor notabilis, achieve cooperation in dyads, triads, and tetrads when dominants show restraint

Authors (first, second and last of 5)
- R. Schwing
- E. Meaux
- R. Noë
- Content type: OriginalPaper
- Open Access
- Published: 02 February 2021
- Pages: 36 - 53
Response of male and female domestic chicks to change in the number (quantity) of imprinting objects

Authors (first, second and last of 4)
- Bastien S. Lemaire
- Rosa Rugani
- Giorgio Vallortigara
- Content type: OriginalPaper
- Open Access
- Published: 06 October 2020
- Pages: 54 - 66
Estimating on the fly: The approximate number system in rufous hummingbirds (Selasphorus rufus)

Authors (first, second and last of 5)
- Mia Corliss
- Theo Brown
- Maria C. Tello-Ramos
- Content type: OriginalPaper
- Open Access
- Published: 14 December 2020
- Pages: 67 - 75
Same/different concept learning by primates and birds

Authors
- Anthony A. Wright
- Debbie M. Kelly
- Jeffrey S. Katz
- Content type: OriginalPaper
- Published: 09 March 2021
- Pages: 76 - 84
Towards describing scenes by animals: Pigeons’ ordinal discrimination of objects varying in depth

Authors
- Suzanne L. Gray
- Muhammad A. J. Qadri
- Robert G. Cook
- Content type: OriginalPaper
- Published: 23 September 2020
- Pages: 85 - 98
The paradoxical performance by different species on the ephemeral reward task

Authors
- Thomas R. Zentall
- Content type: OriginalPaper
- Published: 24 June 2020
- Pages: 99 - 105
Innovative problem solving in macaws

Authors (first, second and last of 4)
- Laurie O’Neill
- Rahman Rasyidi
- Auguste M. P. von Bayern
- Content type: OriginalPaper
- Open Access
- Published: 07 December 2020
- Pages: 106 - 123
String-pulling in the Goffin’s cockatoo (Cacatua goffiniana)

Authors
- Birgit Wakonig
- Alice M. I. Auersperg
- Mark O’Hara
- Content type: OriginalPaper
- Open Access
- Published: 22 January 2021
- Pages: 124 - 136
Social factors in bird-song development: Learning to sing with friends and rivals

Authors
- Michael D. Beecher
- Çağlar Akçay
- Content type: OriginalPaper
- Published: 20 August 2020
- Pages: 137 - 149
Constraints on vocal production learning in budgerigars (Melopsittacus undulates)

Authors
- Michael S. Osmanski
- Yoshimasa Seki
- Robert J. Dooling
- Content type: OriginalPaper
- Open Access
- Published: 02 March 2021
- Pages: 150 - 158
Who is crying wolf? Seasonal effect on antipredator response to age-specific alarm calls in common ravens, Corvus corax

Authors
- Mario Gallego-Abenza
- Christian R. Blum
- Thomas Bugnyar
- Content type: OriginalPaper
- Open Access
- Published: 08 January 2021
- Pages: 159 - 167

Volume 49, issue 1, March 2021

Special Issue: In Honor of the Contributions of Irene M. Pepperberg . Guest Editors: Debbie M. Kelly and Lauren M. Guillette

Does captivity alter problem-solving behavior in Goffin’s cockatoos?

The conscious crow

Anybody watching? How others affect helpful actions

A special issue in honor of Irene Pepperberg: The chemist of comparative cognition

Convergent evolution of complex cognition: Insights from the field of avian cognition into the study of self-awareness

Conspecific presence, but not pilferage, influences pinyon jays’ (Gymnorhinus cyanocephalus) caching behavior

Kea, Nestor notabilis, achieve cooperation in dyads, triads, and tetrads when dominants show restraint

Response of male and female domestic chicks to change in the number (quantity) of imprinting objects

Estimating on the fly: The approximate number system in rufous hummingbirds (Selasphorus rufus)

Same/different concept learning by primates and birds

Towards describing scenes by animals: Pigeons’ ordinal discrimination of objects varying in depth

The paradoxical performance by different species on the ephemeral reward task

Innovative problem solving in macaws

String-pulling in the Goffin’s cockatoo (Cacatua goffiniana)

Social factors in bird-song development: Learning to sing with friends and rivals

Constraints on vocal production learning in budgerigars (Melopsittacus undulates)

Who is crying wolf? Seasonal effect on antipredator response to age-specific alarm calls in common ravens, Corvus corax

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Volume 49, issue 1, March 2021

Special Issue: In Honor of the Contributions of Irene M. Pepperberg . Guest Editors: Debbie M. Kelly and Lauren M. Guillette

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