Results 51 to 60 of about 1,209,561 (176)

Ontogenetic, spatial and temporal variations in the feeding ecology of Deuterodon langei Travassos, 1957 (Teleostei: Characidae) in a Neotropical stream from the Atlantic rainforest, southern Brazil

open access: yesNeotropical Ichthyology
Information related to the diet of one species always contributes to the knowledge of its bionomy and the functioning of the ecosystem in which the species lives.
Jean R. S. Vitule   +2 more
doaj   +1 more source

Blue-and-yellow Macaw (Ara ararauna; Linnaeus, 1758) and its novel and major food, Terminalia catappa L. seeds, in an urban area in Central Brazil [PDF]

open access: yesBrazilian Journal of Biology
Blue-and-yellow Macaws in Três Lagoas City (State of Mato Grosso do Sul, Brazil) have utilized Terminalia catappa seeds increasingly, after rarely eating this resource fifteen years ago.
J. Ragusa-Netto
doaj   +1 more source

Ecological Studies on the Feeding of Fishes-VIII

open access: yesNIPPON SUISAN GAKKAISHI, 1968
It has been found1) that the daily ration changes with frequency of feeding. From this it is natural to presume that the growth of fish changes with the frequency of feeding. In the present investigation, the relationship between the frequency of feeding and the growth is examined and the optimum frequency of feeding which produces maximum growth is ...
openaire   +10 more sources

A fixed energetic ceiling to parental effort in the great tit? [PDF]

open access: yes, 2000
1. To elucidate the links between avian brood size, parental effort and parental investment, we measured daily energy expenditure (DEEfem), condition (residuals of mass on tarsus) and feeding rate in female great tits Parus major L.
Verhulst, S.; id_orcid   +6 more
core   +3 more sources

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

open access: yesAdvanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair   +3 more
wiley   +1 more source

Food, Feeding Behavior and Feeding Ecology of Nemerteans [PDF]

open access: yesAmerican Zoologist, 1985
The feeding biology of nemerteans is reviewed, new information is presented, and the role of nemerteans in natural communities is discussed and evaluated. Most nemerteans are carnivorous, the majority feeding on live, often specific, prey, while some are scavengers.
JOHN J. MCDERMOTT, PAMELA ROE
openaire   +1 more source

Specialist or generalist? Feeding ecology of the Malagasy poison frog Mantella aurantiaca [PDF]

open access: yes, 2007
We studied the diet of a population of free-ranging Mantella aurantiaca, an alkaloid-containing poison frog from Madagascar. As in other poison frogs, this species is thought to sequester alkaloids from arthropod prey.
Fisher, Brian L.   +5 more
core  

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

open access: yesAdvanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena   +3 more
wiley   +1 more source

Co-habiting ants and silverfish display a converging feeding ecology

open access: yesBMC Biology
Background Various animal taxa have specialized to living with social hosts. Depending on their level of specialization, these symbiotic animals are characterized by distinct behavioural, chemical, and morphological traits that enable close ...
Thomas Parmentier   +6 more
doaj   +1 more source

Feeding habit and diet composition of Glossogobius aureus Akihito & Meguro, 1975 in the Vietnamese Mekong Delta

open access: yesEgyptian Journal of Aquatic Research, 2023
Glossogobius aureus (Gobiiformes: Gobiidae) is a target fish and widely distributed in the Mekong Delta, from fresh to brackish waters. However, knowledge on its food and feeding ecology is scarce.
Gieo Hoang Phan   +5 more
doaj   +1 more source

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