Results 61 to 70 of about 26,814 (220)
Ecological Trap in the Nest: Human Hair Causes the Death of Breeding Barn Swallows (Hirundo rustica)
The prevalence of anthropogenic materials in barn swallows (Hirundo rustica) nests and their association with entanglement injury or mortality was studied. We report for the first time that hair incorporated into nests can cause entanglement mortality in barn swallows.
Cong Peng, Kui Yan, Sidan Lin, Wei Liang
wiley +1 more source
Swoop and Soar: How Science Rescued Two Osprey Orphans and Found Them a New Family in the Wild
This story highlights the thrilling tale of a scientist who seeks to unite two lost osprey chicks with a new foster family and helps young readers develop empathy and concern for wildlife. Readers learn about how osprey parents care for and protect their
Terri Agravat
doaj +1 more source
Juvenile Osprey Navigation during Trans-Oceanic Migration. [PDF]
To compensate for drift, an animal migrating through air or sea must be able to navigate. Although some species of bird, fish, insect, mammal, and reptile are capable of drift compensation, our understanding of the spatial reference frame, and associated
Travis W Horton +4 more
doaj +1 more source
ABSTRACT Development of data‐intensive stock assessment and ecosystem‐based models has improved our understanding of shifting species abundance in response to fishing, ocean ecology, and species interactions. Along with this analytical progress is evidence that many stocks lack data required for complex models, resulting in data‐limited options for ...
Allegra Ervin +3 more
wiley +1 more source
Osprey in Estonia and Latvia: Overview
Osprey (Pandion haliaetus) has been monitored annually since 1985 in Estonia. With few remained pairs in the beginning of monitoring the population started to grow and reached 90–100 pairs level currently.
Urmas Sellis, Aigars Kalvāns
doaj
In work of the Raptor Ringing Center of the Russian Raptor Research and Conservation Network in 2015 participated 35 ornithologists-researchers and birdwatchers who have ringed in total 752 individuals of 22 species of birds of prey and owls. From colour
Rinur H. Bekmansurov +6 more
doaj +1 more source
Dynamic model and control of a new quadrotor unmanned aerial vehicle with tilt-wing mechanism [PDF]
In this work a dynamic model of a new quadrotor aerial vehicle that is equipped with a tilt-wing mechanism is presented. The vehicle has the capabilities of vertical take-off/landing (VTOL) like a helicopter and flying horizontal like an airplane ...
Aksit, Mahmut Faruk +11 more
core
Osprey Summer: Ospreys Nesting on Flaming Gorge [PDF]
The osprey, sometimes known as the "fish hawk" is one of Utah's rare and unique raptors. The osprey's diet is almost exclusively fish. Considering the osprey has evolved both physically and behaviorally to catch fish, their distribution is quite limited in a state as dry as Utah.
openaire +2 more sources
Establishing Hierarchical Classification Responding: Directly Trained and Emergent Responses
ABSTRACT Hierarchical classification responding (HCR) describes a collection of responses that require discrimination of logical relationships between stimuli based on their position in a categorical hierarchy. This study established HCR for a new hierarchy in young children through discrete trial instruction.
George H. Noell +3 more
wiley +1 more source
Breeding Status of Ospreys in Egypt (Red Sea) from 2012 to 2018
A new series of Osprey surveys started in early June of 2012 and ended in July of 2018. The main goal was to survey the local resident breeding Ospreys. We also visited three wintering areas in Malaha, Aswan and Lake Nasser. We found breeding and nesting
Mohamed Ibrahim Habib
doaj

