Helder L. Queiroz

Tefe, AM, Brazil

Last Updated: 09/26/2026

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Found 18 publications

Strengthening Amazon conservation through community-based voluntary patrolling.

Strengthening Amazon conservation through community-based voluntary patrolling.

Journal: Conservation biology : the journal of the Society for Conservation Biology

Published: March 03, 2024

Expert range maps of global mammal distributions harmonised to three taxonomic authorities.

Expert range maps of global mammal distributions harmonised to three taxonomic authorities.

Journal: Journal of biogeography

Published: May 04, 2022

Take time to look at the fish: Behavioral response to acute thermal challenge in two Amazonian cichlids.

Take time to look at the fish: Behavioral response to acute thermal challenge in two Amazonian cichlids.

Journal: Journal of experimental zoology. Part A, Ecological and integrative physiology

Published: March 25, 2021

Long-term population monitoring of the threatened and endemic black-headed squirrel monkey (Saimiri vanzolinii) shows the importance of protected areas for primate conservation in Amazonia.

Long-term population monitoring of the threatened and endemic black-headed squirrel monkey (Saimiri vanzolinii) shows the importance of protected areas for primate conservation in Amazonia.

Journal: American journal of primatology

Published: November 21, 2018

Genetic diversity and structuring in the arapaima (Osteoglossiformes, Osteoglossidae) population reveal differences between the Amazon and the Tocantins-Araguaia basins.

Genetic diversity and structuring in the arapaima (Osteoglossiformes, Osteoglossidae) population reveal differences between the Amazon and the Tocantins-Araguaia basins.

Journal: Anais da Academia Brasileira de Ciencias

Published: May 18, 2018

The tree species pool of Amazonian wetland forests: Which species can assemble in periodically waterlogged habitats?

The tree species pool of Amazonian wetland forests: Which species can assemble in periodically waterlogged habitats?

Journal: PloS one

Published: January 29, 2018

Population estimate and morphometry of ovarian preantral follicles from three recently recognized squirrel monkey species: a comparative study.

Population estimate and morphometry of ovarian preantral follicles from three recently recognized squirrel monkey species: a comparative study.

Journal: Zygote (Cambridge, England)

Published: May 24, 2017

Unilateral ovarian absence in a Black-headed Squirrel Monkey (Saimiri vanzolinii Ayres, 1985), a threatened neotropical primate species.

Unilateral ovarian absence in a Black-headed Squirrel Monkey (Saimiri vanzolinii Ayres, 1985), a threatened neotropical primate species.

Journal: Journal of medical primatology

Published: February 15, 2017

Morphologic analysis of sperm from two neotropical primate species: comparisons between the squirrel monkeys Saimiri collinsi and Saimiri vanzolinii.

Morphologic analysis of sperm from two neotropical primate species: comparisons between the squirrel monkeys Saimiri collinsi and Saimiri vanzolinii.

Journal: Zygote (Cambridge, England)

Published: January 17, 2017

Seminal coagulation and sperm quality in different social contexts in captive tufted capuchin monkeys (Sapajus apella).

Seminal coagulation and sperm quality in different social contexts in captive tufted capuchin monkeys (Sapajus apella).

Journal: American journal of primatology

Published: May 11, 2016

Comparative Characterization of the External Genitalia and Reproductive Tubular Organs of Three Species of the Genus Saimiri Voigt, 1831 (Primates: Cebidae).

Comparative Characterization of the External Genitalia and Reproductive Tubular Organs of Three Species of the Genus Saimiri Voigt, 1831 (Primates: Cebidae).

Journal: Anatomia, histologia, embryologia

Published: December 05, 2015

Testicular biometry and semen characteristics in captive and wild squirrel monkey species (Saimiri sp.).

Testicular biometry and semen characteristics in captive and wild squirrel monkey species (Saimiri sp.).

Journal: Theriogenology

Published: July 21, 2015

Showing 1-12 of 18

Last Updated: 09/26/2026