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Predator that is preyed upon
A mesopredator is a predatory animal that occupies a mid-ranking trophic level in a food web, typically preying on smaller animals who are lower-level
Mesopredator
Ecological theory
The mesopredator release hypothesis is an ecological theory used to describe the interrelated population dynamics between apex predators and mesopredators
Mesopredator release hypothesis
Mesopredator_release_hypothesis
Predator at the top of a food chain
an apex predator, preys upon and also competes with the hedgehog, a mesopredator, for food such as insects, small mammals, reptiles, amphibians, and the
Apex_predator
Small domesticated carnivorous mammal
1111/j.1365-2907.1982.tb00014.x. Crooks, K. R.; Soul, M. E. (1999). "Mesopredator release and avifaunal extinctions in a fragmented system" (PDF). Nature
Cat
Unowned or untamed domestic cat in the outdoors
humans. Feral cats may breed over dozens of generations and become a mesopredator or even a local apex predator in urban, savannah and bushland environments
Feral_cat
Medium-sized mammal native to North America
predation and population declines in Illinois songbirds: a case for mesopredator effects. Conservation Biology, 17(4), 1141–1150. Rogers, C. M., & Caro
Raccoon
determined by interactive effects of life history, island biogeography and mesopredator suppression, Global Ecology and Biogeography, DOI:10.1111/geb.12103,
Cats_in_Australia
Species of bird
K. L., Conner, L. M., & Beasley, J. C. (2020). Effect of mammalian mesopredator exclusion on vertebrate scavenging communities. Scientific Reports, 10(1)
Red-tailed_hawk
Introduced species that harms its new environment
predation Herbivores Heterotroph Heterotrophic nutrition Insectivore Mesopredators Mesopredator release hypothesis Omnivores Optimal foraging theory Planktivore
Invasive_species
Species of eagle
extremely rare under normal circumstances. They control the population of mesopredators such as capuchin monkeys, which prey extensively on bird's eggs and
Harpy_eagle
Type of forest with high rainfall
; Johnson, Christopher N. (September 2009). "Predator interactions, mesopredator release and biodiversity conservation". Ecology Letters. 12 (9): 982–998
Rainforest
Ecosystem event
to a rising population of olive baboon (Papio anubis). This case of mesopredator release negatively impacted already declining ungulate populations and
Trophic_cascade
Macropredatory species of Antarctic seal
diving and haul-out behavior of leopard seals (Hydrurga leptonyx) near mesopredator breeding colonies at Livingston Island, Antarctic Peninsula". Marine
Leopard_seal
Reptile of Africa
in its environment, and is responsible for checking the population of mesopredator species, such as the barbel catfish and lungfish, that could overeat
Nile_crocodile
Canid species native to Australia
wolf than dogs are. In this respect, the dingo resembles two similar mesopredators, the dhole and the coyote. The eyes are triangular (or almond-shaped)
Dingo
Species of fish
harpoon. However, populations still seem to be stable or rising because of mesopredator release due to declining shark populations. Essentially, because the
Neotrygon_orientalis
Species of fish
opportunistic feeders. While in freshwater, brown trouts are generalistic mesopredators and their diets frequently include invertebrates (insects, crustaceans
Brown_trout
Type of animal feeding strategy
and lions, who routinely rob killed prey from each other and other mesopredators such as cheetahs. Other species might also opportunistically indulge
Kleptoparasitism
Process which formed the domestic dog
apex predator sits on the top trophic level of the food chain, while a mesopredator sits further down the food chain and is dependent on smaller animals
Domestication_of_the_dog
Species of canid
begin to interfere with their competitors. Gray foxes are known as mesopredators because they are mid-tier predators and their prey consists mostly of
Gray_fox
Fish that live all or much of their lives in seawater
estimated that the U.S. alone discards 17–22% of their catch annually. The Mesopredator release hypothesis is one of the indirect effects of overfishing that
Marine_fish
Extinct genus of mammals
in size to Hyainailouros. Smaller species, such as H. microdon, were mesopredators, having to compete with contemporary small carnivorans. On the other
Hyaenodon
Position of an organism in a food chain
defenses. Cascade effect Energy flow (ecology) Marine trophic level Mesopredator release hypothesis Trophic cascade Trophic dynamics – Food web Trophic
Trophic_level
Extinct genus of saber-toothed cat from North America, Eurasia and Africa
higher specialization on flesh, megapredators were more vulnerable than mesopredators. Additionally, they found little evidence of large carnivorans relying
Megantereon
Invasive species
determined by interactive effects of life history, island biogeography and mesopredator suppression, Global Ecology and Biogeography, DOI:10.1111/geb.12103,
Red_foxes_in_Australia
Extinct genus of dinosaurs
than converging on dromaeosaurids, it may have been an opportunistic mesopredator, feeding on small vertebrates, including fish. During the latter half
Noasaurus
Protozoan parasitic disease
McCallum, Hamish (2013). "Wildlife disease ecology in changing landscapes: Mesopredator release and toxoplasmosis". International Journal for Parasitology: Parasites
Toxoplasmosis
Extinct genus of lizards
which varanoid lizards outcompeted small theropods as the dominant mesopredators. Wick, Steven L.; Lehman, Thomas M.; Brink, Alyson A. (2015). "A theropod
Dryadissector
Natural interconnection of food chains
predation Herbivores Heterotroph Heterotrophic nutrition Insectivore Mesopredators Mesopredator release hypothesis Omnivores Optimal foraging theory Planktivore
Food_web
Species of reptile
Rhind, David; Green, Brian (2013). "Indirect facilitation of a native mesopredator by an invasive species: are cane toads re-shaping tropical riparian communities
Yellow-spotted_monitor
Flow of energy through food chains in ecological energetics
predation Herbivores Heterotroph Heterotrophic nutrition Insectivore Mesopredators Mesopredator release hypothesis Omnivores Optimal foraging theory Planktivore
Energy_flow_(ecology)
Species of bird of prey
predator–the Eagle Owl (Bubo bubo). Chakarov, N., & Krüger, O. (2010). Mesopredator release by an emergent superpredator: a natural experiment of predation
Common_buzzard
determined by interactive effects of life history, island biogeography and mesopredator suppression, Global Ecology and Biogeography, DOI:10.1111/geb.12103,
Invasive_species_in_Australia
Largest extant species of caiman
predation even more regularly after they hatch, facing many of the same mesopredators, as well any other crocodilian (including those of their own species)
Black_caiman
Species of mammal
Newsome, T. M. (2017). "Golden jackal expansion in Europe: a case of mesopredator release triggered by continent-wide wolf persecution?". Hystrix: The
Golden_jackal
Species of bird
Rumbutis, S., Vaitkuvienė, D., Dagys, M. & Treinys, R. (2017). Does mesopredator Lesser Spotted Eagle suffers breeding costs in a high-density area of
White-tailed_eagle
Species of carnivore
civet (Hemigalus derbyanus) in Southeast Asia with implications for mesopredator release, zoonotic diseases, and conservation". Ecology and Evolution
Banded_palm_civet
Species of owl
(2017). Hunter or hunted? Perceptions of risk and reward in a small mesopredator. Journal of Mammalogy, 98(6), 1531-1537. Sliwa, A. (1996). A functional
Verreaux's_eagle-owl
African game-hunting species
lions have resulted in a mesopredator release, where the lions are the apex predators and the leopards are the mesopredators, which has likely masked
Big_Five_game
Species of owl
nests for themselves. Despite their potential predation on smaller mesopredators, when nest boxes for European pied flycatchers (Ficedula hypoleuca)
Ural_owl
Genus of alligator
while younger individuals would instead be relegated to the role of mesopredators. Another possible aspect that might set apart Ahdeskatanka from Chrysochampsa
Ahdeskatanka
Species of fish
the water column. The blue butterfish is also referred to as a pelagic mesopredator due to feeding on smaller animals within the pelagic zone. The blue butterfish
Blue_butterfish
Extinct species of killer whale
whale (Pseudorca crassidens) and pygmy killer whale (Feresa attenuata), mesopredators of squid and large fish, but given the comparative gracility of the
Orcinus_citoniensis
they take any fish they encounter, but largish and relatively sluggish mesopredator fish such as lungfish and Barbus carp seem to be most widely reported
Dietary biology of the Nile crocodile
Dietary_biology_of_the_Nile_crocodile
Genus of azhdarchid pterosaurs
handling or swallowing large animals. As such, it can be identified as a mesopredator, likely consuming small animals including juvenile archosaurs, squamates
Infernodrakon
Large bird of prey
diurnal raptors in studies), golden eagles (most common predator of mesopredator mammals), and eagle-owl (most common predator of other owls). However
Bonelli's_eagle
Species of protozoan parasite
McCallum, H. (2013). "Wildlife disease ecology in changing landscapes: Mesopredator release and toxoplasmosis". International Journal for Parasitology: Parasites
Toxoplasma_gondii
Extinct genus of ray-finned fishes
around 1 meter (3.3 ft) in length, and would have been an effective mesopredator. "PBDB". paleobiodb.org. Retrieved 2024-02-22. Newbrey, Michael G.; Konishi
Apateodus
Species of rodent
top-predator provide an endangered rodent with refuge from an invasive mesopredator?". Animal Conservation. 12 (4): 302–312. Bibcode:2009AnCon..12..302L
Dusky_hopping_mouse
Species of bird in the crow family
(December 1, 2013). "Wildlife disease ecology in changing landscapes: Mesopredator release and toxoplasmosis". International Journal for Parasitology: Parasites
Hawaiian_crow
Extinct genus of birds
woodland-grassland) habitat rich in C3 plants. Eschatornis likely occupied a mesopredator niche in its biome, predating on smaller animals to avoid competition
Eschatornis
of West Texas, and the roles of small theropod and varanoid lizard mesopredators in a tropical predator guild". Palaeogeography, Palaeoclimatology, Palaeoecology
2015_in_reptile_paleontology
Species of mongoose from Africa and the Mediterranean
Rueda, C. & Villaespesa, F. (2019). "Restoring apex predators can reduce mesopredator abundances". Biological Conservation. 238 108234. Bibcode:2019BCons.23808234J
Egyptian_mongoose
Zoo in Toledo, Ohio, US
threatened turtles, conduct health assessments and vaccinations of local mesopredators, research the movement and presence/absence of native Ohio wildlife
Toledo_Zoo_&_Aquarium
Species of fish
bonaerensis). Therefore, competition for prey among toothfish and these other mesopredators (middle trophic level predators) could be very important. The large
Antarctic_toothfish
predation Herbivores Heterotroph Heterotrophic nutrition Insectivore Mesopredators Mesopredator release hypothesis Omnivores Optimal foraging theory Planktivore
Sustainable_gardening
Evolutionary arms race
thalattosaurs and thalattosuchians, proliferation of shell-destroying mesopredators such as teleosts, stomatopods and decapods, a trend toward benthos infaunalization
Mesozoic_marine_revolution
Interspecies animal behavior
determined by interactive effects of life history, island biogeography and mesopredator suppression". Global Ecology and Biogeography. 23 (4): 395–404. Bibcode:2014GloEB
Cat_predation_on_wildlife
Series of secondary extinctions
predation Herbivores Heterotroph Heterotrophic nutrition Insectivore Mesopredators Mesopredator release hypothesis Omnivores Optimal foraging theory Planktivore
Cascade_effect_(ecology)
Species of bird
prairie-chickens avoided communication towers and rural farms. Studies have found mesopredators such as striped skunks, raccoons, and opossums significantly increase
Greater_prairie-chicken
Species of cartilaginous fish
Telemetry with Biochemical Tracers Reveals Habitat Use by a Demersal Mesopredator, Hypanus sabinus". Marine Ecology. Progress Series (Halstenbek). 760:
Smalltooth_stingray
Subspecies of carnivore
Newsome, T. M. (2017). "Golden jackal expansion in Europe: a case of mesopredator release triggered by continent-wide wolf persecution?". Hystrix: The
European_jackal
Species of fish
penaeid prawns. Himantura uarnak play an important ecological role as a mesopredator and are thought to exert a strong top-down impact on nearshore environments
Reticulate_whipray
Species of shark
continental slopes, but can also be found on rocky bottoms. It is an important mesopredator, and is often caught it shrimp trawl nets in northern and central Chilean
Dusky_catshark
Species of turtle
aquatic predators, nests and hatchlings are significant prey items for mesopredators such as raccoons, skunks, herons, foxes, river otters and many others
River_cooter
Genus of fishes
fecal pellets. Cyclothone falls in the middle of the food web (being mesopredators), and its main predators are slightly larger deep-sea fishes, such as
Cyclothone
Rate of generation of biomass in an ecosystem
predation Herbivores Heterotroph Heterotrophic nutrition Insectivore Mesopredators Mesopredator release hypothesis Omnivores Optimal foraging theory Planktivore
Productivity_(ecology)
Marine consumer-resource system
predation Herbivores Heterotroph Heterotrophic nutrition Insectivore Mesopredators Mesopredator release hypothesis Omnivores Optimal foraging theory Planktivore
Marine_food_web
Species of shark
derives its ecological and fishing importance from the fact that it is a mesopredator, meaning that it occupies a trophic level in around the middle of the
Brown_smooth-hound
Greater predation from new prey introduction
apparent competition between the native and alien prey. Predator Carnivore Mesopredator Mutualism (biology) Interspecific competition Surplus killing Smith,
Hyperpredation
Deep bay of the Southern Ocean in Antarctica
Veloz, Samuel D.; Ainley, David G. (1 November 2012). "Coexistence of mesopredators in an intact polar ocean ecosystem: The basis for defining a Ross Sea
Ross_Sea
Chemical communication between species that benefits the recipient but not the emitter
predator odour triggers caution and eavesdropping behaviour in a mammalian mesopredator". Behavioral Ecology and Sociobiology. 70 (4): 481–492. Bibcode:2016BEcoS
Kairomone
Species of cartilaginous fish
remnants from the yolk sac were found on the ventral side. They are a mesopredator, meaning that they are neither at the bottom nor top of the food chain
Pseudobatos_prahli
Organism that eats mostly animal tissue
(Mephitis mephitis) Stone marten (Martes foina) Hypercarnivore Hypocarnivore Mesopredator Omnivore List of feeding behaviours Van Valkenburgh, Blaire (2007). "Déjà
Mesocarnivore
Extinct genus of reptiles
similar to modern milkfish in ecology while Vinctifer was a piscivorous mesopredator. The Romualdo Formation was also home to benthic durophages such as batoid
Caririsuchus
Reservoir in Alameda County, California
depredation by red fox (Vulpes vulpes) and coyote (Canis latrans). Mesopredators of kit foxes, red fox and coyote populations were released by extirpation
Bethany_Reservoir
Pattern of daily vertical movement in many aquatic species
is not always diel. These migrations may have substantial effects on mesopredators and apex predators by modulating the concentration and accessibility
Diel_vertical_migration
invasive species and can cause many negative impacts on native species. Mesopredator release hypothesis Trophic cascade Fishing down the food web Interspecific
Ecological_release
Species of marsupial
1007/s13364-013-0166-5. S2CID 18719322. Crooks, K.R.; Soulé, M.E. (1999). "Mesopredator release and avifaunal extinctions in a fragmented system". Nature. 400
Kultarr
How deeply visible light penetrates through water
Joseph W.; Smee, Delbert L. (2020-04-23). "Cloudy with a chance of mesopredator release: Turbidity alleviates top‐down control on intermediate predators
Water_clarity
Species of fish
from 0.5 °C to 19 °C. As adults, longhorn sculpins serve as a benthic, mesopredator foragers. This means that they lie near the middle of the food web, with
Longhorn_sculpin
urchins increase in abundance and decimate kelp A recent theory, the mesopredator release hypothesis, states that the decline of top predators in an ecosystem
Population dynamics of fisheries
Population_dynamics_of_fisheries
Extinct genus of reptiles
apex predators, whereas younger individuals would fill the rolle of mesopredator instead. Estes, R. (1988). "Lower vertebrates from the Golden Valley
Chrysochampsa
Wikimedia list
it forms a transition between the aquatic and terrestrial ecosystems. mesopredator release hypothesis A hypothesis which states that as top predators dwindle
Glossary_of_ecology
of fishes from Bonenburg, providing evidence of presence of diverse mesopredators and of likely niche partitioning in cartilaginous fishes. Eltink et
2025_in_paleoichthyology
Species of bird
approachable. Nevertheless, their tame behaviour does make them vulnerable to mesopredators such as feral cats, with the bird's largest predator being the cassowary
Pacific_emerald_dove
Geological formation in North America
of West Texas, and the roles of small theropod and varanoid lizard mesopredators in a tropical predator guild". Palaeogeography, Palaeoclimatology, Palaeoecology
Aguja_Formation
the 1990s, red foxes became common in Orange County as a non-native mesopredator, with increasing urban development pushing out coyote and mountain lion
History of Orange County, California
History_of_Orange_County,_California
Place where an organism is protected from predation
Ritchie, Euan G.; Johnson, Christopher N. (2009). "Predator interactions, mesopredator release and biodiversity conservation". Ecology Letters. 12 (9): 982–998
Refuge_(ecology)
composition and prey accessibilities, may be considered more correctly a mesopredator. Mainly in parts of northern and eastern Europe, tawny owls sometimes
Dietary biology of the tawny owl
Dietary_biology_of_the_tawny_owl
Species of spider
Radek; Řežucha, Radomil (July 2018). "Top predator's aggressiveness and mesopredator's risk-aversion additively determine probability of predation". Behavioral
Philodromus_cespitum
Species of fish
Palacios-Narváez, S. (2022). Trophic niche partitioning of small coral reef mesopredators (Family: Pseudochromidae) in the Red Sea: a multi-method approach based
Pictichromis_diadema
Extinct genus of crocodylomorph
Spinosaurus, it may have been religated to the rolle of a semi-aquatic mesopredator. Young and colleagues further suggest that it might have avoided competition
Fortignathus
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