Results 11 to 20 of about 58,557 (303)

Hewitson on Butterflies 1867-1877. William C. Hewitson. Hampton, Middlesex: E. W. Classey, 1972. [246] pp; various paginations. $12.50. Distributed exclusively in North America by Entomological Reprint Specialists, Los Angeles, California. [PDF]

open access: yes, 2017
The English naturalist William C. Hewitson (1806-78) was trained as a surveyor, but various good fortunes enabled him to retire at an early age and devote his attention to the pursuit of natural history.
Wilkinson, Ronald S.
core   +3 more sources

Effect of timing and female quality on clutch size in the Collared Flycatcher Ficedula albicollis [PDF]

open access: yes, 2004
Capsule: Laying date and female age appear to be related to clutch size. Aims: To test two hypotheses ('date' and 'quality'), which might explain why fewer eggs are laid late in the season.
Garamszegi, László Zsolt   +2 more
core   +1 more source

Spatial and temporal variation in population trends in a long-distance migratory bird [PDF]

open access: yes, 2010
Over the past three decades, evidence has been growing that many Afro-Palaearctic migratory bird populations have suffered sustained and severe declines.
Both   +34 more
core   +1 more source

Investigation of the technology of the cooperation between the air traffic control and the ornithological service

open access: yesНаучный вестник МГТУ ГА, 2023
This article analyzes the technology of cooperation between the air traffic control (ATC) and the ornithological service (OS). As part of the analysis, the procedures of preventive measures for air traffic controllers (ATC) and OS specialists to avert ...
V. N. Nechaev   +4 more
doaj   +1 more source

Naine kirjutab lindudest. Ökofeministlik ekskurss eesti looduskirjandusse

open access: yesKeel ja Kirjandus, 2023
This article discusses the first book of Estonian nature writing authored by a woman: “Vilsandi Bird Kingdom” (Vilsandi linnuriik) by Alma Toom, published in Tartu by the publishing house Loodus in 1932. Alma Toom, also spelled Thom (1903–1944 or 1945)
Kadri Tüür
doaj   +1 more source

Evaluation of fall‐seeded cover crops for grassland nesting waterfowl in eastern South Dakota

open access: yesWildlife Society Bulletin, EarlyView., 2023
Cover crops are experiencing a revival among Midwestern farmers, and we assessed their attractiveness and safety for nesting ducks in South Dakota. Nest success was markedly lower in cover crops than in perennial cover during both years of our study, including 2019 which was a best‐case scenario for cover crops, with extremely wet conditions delaying ...
Charles W. Gallman   +3 more
wiley   +1 more source

A Framework for Inclusion and Diversity in Environmental Citizen ScienceReview of: Citizen Science: Public Participation in Environmental Research; Janis L. Dickinson and Rick Bonney; (2015). Comstock Publishing Associates, Ithaca, NY. 304 pages.

open access: yesJournal of Microbiology & Biology Education, 2016
Review of: Citizen Science: Public Participation in Environmental Research; Janis L. Dickinson and Rick Bonney; (2015). Comstock Publishing Associates, Ithaca, NY. 304 pages.
Jillian Mochnick
doaj   +1 more source

Using stable isotopes to measure the dietary responses of Costa Rican forest birds to agricultural countryside

open access: yesFrontiers in Ecology and Evolution, 2023
How human modification of native habitats changes the feeding patterns and nutritional ecology of tropical birds is critical to conserving avian biodiversity, but tropical bird diets are laborious to investigate using the traditional methods of diet ...
Çağan H. Şekercioğlu   +11 more
doaj   +1 more source

Birds specimens of the zoological collection of the Universidad de Nariño, Colombia

open access: yesBiota Colombiana, 2022
We provide a complete dataset of bird specimens of the zoological collection at the Universidad de Nariño, Colombia. For every specimen, we reviewed taxonomic identifications to species level by applying curatorial procedures, including the comparison of
Jhon Jairo Calderón Leytón   +3 more
doaj   +1 more source

Nest niche overlap among the endangered Vinaceous-breasted Parrot (Amazona vinacea) and sympatric cavity-using birds, mammals, and social insects in the subtropical Atlantic Forest, Argentina [PDF]

open access: yes, 2017
Many forest bird species require tree cavities for nesting, and share this resource with a diverse community of animals. When cavities are limited, niche overlap can result in interspecific competition, with negative consequences for threatened ...
Bonaparte, Eugenia Bianca   +1 more
core   +1 more source

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