After studying patterns of birds community richness across the Tropical region, my current research interests fall within the realm of studies on the evolution of social mating systems, followed by key evolutionary processes shaping biodiversity: positive interactions and sexual selection.
What is the evolutionary causation of social bonds among species and within individuals?
Is it really monogamous? Or could it have adopted a unique mating system?
 MARINI, M. Â.; CAVALCANTI, R. B. 1992. Mating system of the Helmeted Manakin (Antilophia galeata) in Central Brazil. The Auk, v. 109, n. 4, p. 911-913.
 PRUM, R. O. (1994). Phylogenetic analysis of the evolution of alternative social behavior in the manakins (Aves: Pipridae). Evolution, v. 48, n. 5, p. 1657-1675.
 WALLACE, A. R. (1871). Editor Charles H. Smith's Note: An essay book review printed in the 15 March 1871 number of The Academy.
A retrospective of 2018
2018 was a year of great accomplishments and opportunities for the #HelmetedManakinProject and for myself, as a PhD candidate in the University of Brasília. Here I try to list them.
Here it comes the... rain!
Rainy season finally started, and we found around 50 nests!
The Helmeted Manakin Project at full speed!
Total count: 38 individuals of the Helmeted Manakin! And many other cool birds captured on the mist nets.
SILVA-JR, E.; KAJIKI, L. N.; DINIZ, P.; KANEGAE, M.(2021). Longevity records for some passerines of Central Brazil. Ornithology Research 29: 1-5. [link]
KAJIKI, L. N.; MONTAÑO-CENTELLAS, F.; MANGINI, G.; COLORADO, G. J.; FANJUL, E.(2018). Ecology of mixed-species flocks of birds accross gradients in the Neotropics. Revista Brasileira de Ornitologia 26(2): 82-89. [PDF]
DORNAS, T.; AGNE, C. E.; KAJIKI, L. N.; D'ACOSTA, N; BORGES, K. (2017). Expansão da distribuição geográfica de Aegolius harrisii na região Central do Brasil: registros inéditos para estados de Goiás e Tocantins. Atualidades Ornitológicas 196: 18-22. [PDF]
KAJIKI, L. N.; CARVALHO, J. A. . Bare-throated Bellbird Procnias nudicollis in Serra do Japi, southeast Brazil. Cotinga 39: 102-103 [PDF]
KAJIKI, L. N.; TOGURA, C. M.; MICHALSKI, F. 2013. First record of Tigrisoma fasciatum (Such, 1825) (Aves: Ardeidae) in the State of Amapá, Brazil and updated species distribution in Central and South America. Biota Neotropica 13(4): 385-390. [PDF]
KAJIKI, L. N.; MACEDO, R. H. F. 2018. Preliminary data on the breeding biology of the Helmeted Manakin (Antilophia galeata): nesting site preferences. In: 27th International Ornithological Congress - Book of Abstracts (Poster presentation / Congress).
KAJIKI, L. N.; CORRÊA, L.; SIQUEIRA, P. R.; CARVALHO, B. G. 2017. Not so stable: variation in mexed-species flocks of birds in a lowland Amazonian forest. In: Ornithological Congress of the Americas - Book of Abstracts. Puerto Iguazú: Aves Argentinas / Association of Field Ornithologists / Sociedade Brasileira de Ornitologia (Mixed-species Flocks of Birds: Ecology and Evolution Symposium/Congress).
KAJIKI, L. N.; MEDEIROS, F. A.; PRADO, C. P. B. 2015. The implications of a new record for understanding a species' historical distribution in the State of Rio de Janeiro, Brazil: finding Anhima cornuta. In: X Neotropical Ornithological Congress & XXII Congresso Brasileiro de Ornitologia, Manaus (Citizen Science Symposium/Congress).
KAJIKI, L. N.; LEES, A. C.; MICHALSKI, F. 2014. O papel do clima no controle da biodiversidade de aves tropicais. In: XXI Congresso Brasileiro de Ornitologia, 2014, Rio de Janeiro. Livro de resumos do XXI Congresso Brasileiro de Ornitologia. RJ: Rio de Janeiro, v. 1, p. 141-141 (Oral presentation/Congresso).
KAJIKI, L. N.; LEES, A. C.; MICHALSKI, F. 2013. Efeitos da heterogeneidade do habitat em comunidades florestais de aves neotropicais: um estudo com meta-análise. (Oral presentation/Congress).
KAJIKI, L. N.; TOGURA, C. M.; OLIVEIRA, I. A. P.; MICHALSKI, F. 2013. Influence of giant otter latrines on avifaunal occurrence along amazonian rivers. In: III International Congress on Biodiversity of the Guiana Shield, 2013, Paramaribo. Abstract Book of the III International Congress on Biodiversity of the Guiana Shield. Paramaribo: The Anton de Kom University of Suriname. v. 1. p. 63-63. [PDF]
OLIVEIRA, I. A. P.; TOGURA, C. M.; KAJIKI, L. N.; CONCEIÇÃO, P. C. F.; AMADOR, J. A.; MICHALSKI, F. 2013. Seasonal variation in giant otter detections along waterways in the eastern Brazilian Amazon. In: III International Congress on Biodiversity of the Guiana Shield, 2013, Paramaribo. Abstract Book of the III International Congress on Biodiversity of the Guiana Shield. Paramaribo: The Anton de Kom University of Suriname. v. 1. p. 91-91. [PDF]
Since the early ages, I had a singular curiosity on birds. Not a conscious one: somehow, I wanted to understand their language.
A kid develops many other interests, so I have adventured myself through many paths. However, I always kept an eye on networks and natural history, especially of birds.
Today, I am an environmental consultant and PhD candidate at the University of Brasilia (BRA), under the supervision of Dr. Regina Macedo at the dynamic Lab of Animal Behavior. I am excited to dive in the incredible universe of animal behavior, and investigate the mechanisms driving the evolution of species.
I am also very interested in social networks, and the evolution of sociality; natural and anthropogenic processes driving diversity and biogeographic patterns. I am an admirer of A. R. Wallace's studies, and I am fascinated about culture - an enthusiastic violinist and cinephile.
Past and ongoing projects, training and professional adventures