Results 241 to 250 of about 489,438 (287)

Exploring Bruchus rufimanus Egg Substage Dynamics at Different Constant Temperatures. [PDF]

open access: yesPhysiol Plant
Segers A   +6 more
europepmc   +1 more source

Omalizumab for severe IgE-mediated food allergy and severe asthma after pediatric liver transplantation: a case report. [PDF]

open access: yesFront Pediatr
Mosca A   +7 more
europepmc   +1 more source

Context-dependent response to eggs: egg retrieval versus egg rejection in a conspecific brood parasite

open access: yesAnimal Behaviour, 2017
Birds often need to distinguish their own eggs from those of others or from other objects that could be confused with their eggs. Egg recognition occurs in a variety of birds that retrieve eggs displaced from the nest. Egg recognition and rejection is also a particularly widespread defence against brood parasites. We studied egg retrieval and rejection
Bruce E. Lyon, Daizaburo Shizuka
exaly   +3 more sources

Cryptic eggs are rejected less frequently by a cuckoo host

Animal Cognition, 2021
Obligate brood parasitism is associated with huge reproduction costs, forcing hosts to evolve various anti-parasitic strategies against brood parasites, among which egg recognition and rejection is the most effective defense strategy. According to the crypsis hypothesis, non-mimetic yet cryptic eggs in a nest can also deceive their hosts and eventually
Longwu Wang   +4 more
openaire   +2 more sources

Egg rejection and egg recognition mechanism of chestnut thrushes (Turdus rubrocanus)

Behavioural Processes, 2020
Recognizing and rejecting foreign eggs is one of the most effective anti-parasite strategies for hosts in avian brood parasitism. Studies have shown that most cuckoo (Cuculus spp.) hosts have evolved egg recognition abilities. Although some open-nesting birds, especially thrushes belonging to the family Turdidae, are rarely parasitized by cuckoos, they
Tingting, Yi, Yue-Hua, Sun, Wei, Liang
openaire   +2 more sources

Egg mimicry, not the sight of a common cuckoo, is the cue for parasitic egg rejection

Behavioral Ecology, 2023
Abstract Many studies have found that if hosts observe a brood parasite at their nest, they use it as a cue to reject parasitic eggs. However, most previous work has simulated brood parasitic events by exposing a stuffed parasite near a host’s nest.
Gabriela Štětková   +4 more
openaire   +2 more sources

The role of egg-nest contrast in the rejection of brood parasitic eggs

Journal of Experimental Biology, 2015
AbstractHosts of avian brood parasites can avoid the reproductive costs of raising genetically unrelated offspring by rejecting parasitic eggs. The perceptual cues and controls mediating parasitic egg discrimination and ejection are well studied: hosts are thought to use differences in egg color, brightness, maculation, size, and shape to discriminate ...
Zachary, Aidala   +4 more
openaire   +2 more sources

Rejection of parasitic eggs in relation to egg appearance in magpies

Animal Behaviour, 2004
The coevolutionary process between avian brood parasites and their hosts predicts that low intraclutch variation in egg colour appearance favours egg discrimination of parasite eggs by hosts. Low intraclutch variation would also result in high interclutch variation, which would increase the difficulty of evolution of mimicry by the cuckoo, because many
Jesus M. Avilés   +3 more
openaire   +1 more source

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