Results 101 to 110 of about 10,987 (227)

Jūras piekrastē ligzdojošo putnu ekoloģija [PDF]

open access: yes, 1997
Advisor: Jānis PriednieksIzpētīti vairāki nozīmīgi Latvijas jūras piekrastē ligzdojošo putnu ekoloģijas aspekti: ligzdošanas blīvums, teritoriju izvēle, ligzdvietu izvēle un ligzdošanas bioloģija.
Latvijas Universitāte, Opermanis, Otars
core  

ПЕРВАЯ ВСТРЕЧА ГАЛСТУЧНИКА (CHARADRIUS HIATICULA L., CHARADRIIFORMES, AVES) В АМУРСКОЙ ОБЛАСТИ

open access: yesАмурский зоологический журнал, 2013
Для территории Амурской области документирована первая регистрация зуйка-галстучника.
A.I. Antonov, S.A. Podol’sky
doaj  

Recompte d’aus aquàtiques hivernants de les Illes Balears. Gener 2014 [PDF]

open access: yes, 2013
S’han registrat un total de 24.051 aus pertanyents a 57 espècies. El 72 % dels efectius s’han trobat a Mallorca, el 19 % a Menorca i el 7 % a Pitiüses. Es comparen els resultats per illes amb la mitjana dels anys 1991-2013.
Garcia, David   +3 more
core  

“Coastal” versus “inland” shorebird species: interlinked fundamental dichotomies between their life- and demographic histories? [PDF]

open access: yes, 2003
In this contribution I present an extended but testable hypothesis (or “evolutionary scenario”) to explain how and why many life-history features of latitudinal migrant shorebirds, basically characterised by the correlation between habitat choice in the ...
Piersma, Theunis,
core   +2 more sources

Long-term monitoring of Arctic coastal ecology at the East Bay Mainland Research Station, in Qaqsauqtuuq Migratory Bird Sanctuary, Nunavut

open access: yesArctic Science
We provide an overview of 25 years of research at the East Bay Mainland Research Station, in the Qaqsauqtuuq Migratory Bird Sanctuary, Southampton Island, Nunavut. The earliest research at the site targeted waterfowl and seabirds, but work since 2000 has
Doug MacNearney   +19 more
doaj   +1 more source

Observaciones sobre aves migratorias del Hemisferio Norte [PDF]

open access: yes, 1967
Un informe sobre aves migradoras del hemisferio norte en la región oriental de la provincia de Buenos Aires, Argentina, basado en observaciones realizadas durante los meses de noviembre a febrero de 1958·1962.
Olrog, Claës Ch.
core   +1 more source

Waterbirds (other than Laridae) nesting in the middle section of Laguna Cuyutlán, Colima, México

open access: yesRevista de Biología Tropical, 2008
Laguna de Cuyutlán, in the state of Colima, Mexico, is the only large coastal wetland in a span of roughly 1150 km. Despite this, the study of its birds has been largely neglected.
Eric Mellink, Mónica E Riojas-López
doaj  

Variation in circulating prolactin in incubating Mountain Plovers [PDF]

open access: yes, 2012
We examined circulating plasma prolactin (PRL) levels in incubating Mountain Plovers, a shorebird of conservation concern with an uncommon parental care system where males and females tend to separate nests.
Dinsmore, Stephen   +3 more
core   +2 more sources

Charadrius dubius curonicus

open access: yes, 2008
Compilation of field observations of a subspecies of the Little Ringed Plover (Charadrius dubius curonicus) achieved through several trips to Toro (Zamora) and different riverside habitats of the provinces of Valladolid, León and Burgos, between the 1st of April of 1944 and the 13th of May of 1952.
openaire   +1 more source

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