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The debate about whether Tyrannosaurus was an apex predator or scavenger was among the longest ongoing feuds in paleontology; however, most scientists now agree that Tyrannosaurus was an opportunistic carnivore, acting mostly as a predator but also scavenging when it could sense it. [6]
An opportunistic omnivore and scavenger, the thrush feeds on earthworms and other invertebrates of the soil and leaf litter, as well as on carrion, berries, [2] the eggs and fledglings of other birds, and kitchen scraps.
Scavenger: eating carrion; There are also several unusual feeding behaviours, either normal, opportunistic, or pathological, such as: Cannibalism: feeding on members of the same species Anthropophagy: the practice of eating human flesh; Autocannibalism: feeding on parts of one's own body (see also autophagy) Filial cannibalism; Intrauterine ...
The laughing gull (Leucophaeus atricilla) is a medium-sized gull of North and South America.Named for its laugh-like call, it is an opportunistic omnivore and scavenger.It breeds in large colonies mostly along the Atlantic coast of North America, the Caribbean, and northern South America.
Jenner et al. (1998) thus proposed that Bairdops was an opportunistic scavenger and specialized in dead food. [5] In contrast, Haug and Haug (2021) suggested that since their appendage morphology would not allow them to capture prey from the seabed, early mantis shrimps would instead have been benthopelagic predators, possibly capturing prey ...
Labidiaster annulatus is an opportunistic predator and scavenger. It moves about on the seabed using various combinations of rays. It often climbs to an elevated position on top of a rock or a large sponge. Here it holds on with some of its rays while it extends others like fishing rods. [4]
Glyptonotus antarcticus is a carnivore and scavenger and is often caught in baited traps on the seabed. It is an opportunistic predator with a mixed diet which includes a high proportion of echinoderms, but it is also cannibalistic. [8] [9] That the available food supply may be fairly constant is shown by the fact that it breeds at any time of ...
SMNS 51144 (Saurostomus esocinus) was found with Chondrites isp. burrows in the abdominal cavity, what indicates a possible opportunistic scavenger. Other Chondrites isp. includes SMNS 17500 and MHH 1981/25 (Stenopterygius uniter) that can either suggest ichthyosaurs were preserved immediately below one such bioturbation horizon or scavenger ...