Tobar Rainbow Humming Top Traditional Spinning Toy

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a b White, Richard (19 September 2015). "Hummingbird hawk moth, hummingbird and sunbird". Bird Ecology Study Group . Retrieved 8 March 2023. Many hummingbird species use spider silk and lichen to bind the nest material together and secure the structure. [140] [141] The unique properties of the silk allow the nest to expand as the young hummingbirds grow. Two white eggs are laid, [23] [140] which despite being the smallest of all bird eggs, are large relative to the adult hummingbird's size. [140] Incubation lasts 14 to 23 days, depending on the species, ambient temperature, and female attentiveness to the nest. [23] [139] The mother feeds her nestlings on small arthropods and nectar by inserting her bill into the open mouth of a nestling, and then regurgitating the food into its crop. [139] Hummingbirds stay in the nest for 18–22 days, after which they leave the nest to forage on their own, although the mother bird may continue feeding them for another 25 days. [142] Flight [ edit ] A female ruby-throated hummingbird hovering in mid-air Abrahamczyk, S.; Renner, S.S. (2015). "The temporal build-up of hummingbird/plant mutualisms in North America and temperate South America". BMC Evolutionary Biology. 15: 104. doi: 10.1186/s12862-015-0388-z. PMC 4460853. PMID 26058608.

Hummingbirds have exceptional visual acuity providing them with discrimination of food sources while foraging. [75] Although hummingbirds are thought to be attracted to color while seeking food, such as red flowers or artificial feeders, experiments indicate that location and flower nectar quality are the most important " beacons" for foraging. [217] [218] Hummingbirds depend little on visual cues of flower color to beacon to nectar-rich locations, but rather they use surrounding landmarks to find the nectar reward. [219] [220] [221] Battle Flapper | Bomb Hawk | Cannon Flapper | Egg Bishop | Egg Hammer | Egg Pawn | Egg Pawn Bunny | Egg Pawn Manager (gun) | Egg Pawn Manager (SF gun) | Falco | Flapper | Gun Hunter | Klagen | Knight Pawn | Laser Flapper | Rhino Cannon | Sea Pawn | Solid Pawn a b c d e f g h McGuire, J.; Witt, C.; Remsen, J.V.; Corl, A.; Rabosky, D.; Altshuler, D.; Dudley, R. (2014). "Molecular phylogenetics and the diversification of hummingbirds". Current Biology. 24 (8): 910–916. doi: 10.1016/j.cub.2014.03.016. PMID 24704078. Prinzinger, R.; Schafer, T.; Schuchmann, K.L. (1992). "Energy metabolism, respiratory quotient and breathing parameters in two convergent small bird species: the fork-tailed sunbird Aethopyga christinae (Nectariniidae) and the chilean hummingbird Sephanoides sephanoides (Trochilidae)". Journal of Thermal Biology. 17 (2): 71–79. doi: 10.1016/0306-4565(92)90001-V. a b McGuire, J.A.; Witt, C.C.; Altshuler, D.L.; Remsen, J.V. (2007). "Phylogenetic systematics and biogeography of hummingbirds: Bayesian and maximum likelihood analyses of partitioned data and selection of an appropriate partitioning strategy". Systematic Biology. 56 (5): 837–856. doi: 10.1080/10635150701656360. PMID 17934998.Rico-Guevara, A.; Araya-Salas, M. (2015). "Bills as daggers? A test for sexually dimorphic weapons in a lekking hummingbird". Behavioral Ecology. 26 (1): 21–29. doi: 10.1093/beheco/aru182. Molecular phylogenetic studies determined the relationships between the major groups of hummingbirds. [8] [44] In the cladogram below, the English names are those introduced in 1997. [46] The Latin names are those introduced in 2013. [47] Trochilidae

Hummingbirds do not spend all day flying, as the energy cost would be prohibitive; the majority of their activity consists simply of sitting or perching. Hummingbirds eat many small meals and consume around half their weight in nectar (twice their weight in nectar, if the nectar is 25% sugar) each day. [188] Hummingbirds digest their food rapidly due to their small size and high metabolism; a mean retention time less than an hour has been reported. [189] Hummingbirds spend an average of 20% of their time feeding and 75–80% sitting and digesting. [190] Dalsgaard, Bo; Martín González, Ana M.; Olesen, Jens M.; etal. (2009). "Plant-hummingbird interactions in the West Indies: Floral specialisation gradients associated with environment and hummingbird size". Oecologia. 159 (4): 757–766. Bibcode: 2009Oecol.159..757D. doi: 10.1007/s00442-008-1255-z. PMID 19132403. S2CID 35922888.Clark, C.J.; Dudley, R. (2009). "Flight costs of long, sexually selected tails in hummingbirds". Proceedings of the Royal Society B: Biological Sciences. 276 (1664): 2109–115. doi: 10.1098/rspb.2009.0090. PMC 2677254. PMID 19324747. Fjeldså, J.; Heynen, I. (1999). Genus Oreotrochilus. In: del Hoyo, J., A. Elliott, & J. Sargatal. eds. (1999). Handbook of the Birds of the World. Vol. 5. Barn-owls to Hummingbirds. Lynx Edicions, Barcelona. pp.623–624. ISBN 84-87334-25-3.

Male rufous and broad-tailed hummingbirds (genus Selasphorus) have a distinctive wing feature during normal flight that sounds like jingling or a buzzing shrill whistle – a trill. [166] The trill arises from air rushing through slots created by the tapered tips of the ninth and tenth primary wing feathers, creating a sound loud enough to be detected by female or competitive male hummingbirds and researchers up to 100m away. [166] EggHammerTankII · Egg Bomber Tank · Egg Totem · Aero Egg · Egg Saucer · Egg-Go-Round · Egg Frog · Super Eggrobo Z · True Area 53 boss

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The heart rate of hummingbirds can reach as high as 1,260 beats per minute, a rate measured in a blue-throated hummingbird with a breathing rate of 250 breaths per minute at rest. [6] [103] Heat dissipation [ edit ] While hummingbirds rely primarily on vision and hearing to assess competition from bird and insect foragers near food sources, they may also be able to detect by smell the presence in nectar of insect defensive chemicals (such as formic acid) and aggregation pheromones of foraging ants, which discourage feeding. [223] In myth and culture [ edit ] Nazca Lines - hummingbird Hummingbird emblem on Caribbean Airlines Modern tops have several sophisticated improvements, such as ball bearings of ruby or a hard ceramic like tungsten carbide, that reduces the friction with the ground surface. Functional art tops have become collectibles built using varied techniques in metal-working, glass-working, and wood-working. Anna's hummingbirds are the northernmost year-round residents of any hummingbird. Anna's hummingbirds were recorded in Alaska as early as 1971, and resident in the Pacific Northwest since the 1960s, particularly increasing as a year-round population during the early 21st century. [26] [117] Scientists estimate that some Anna's hummingbirds overwinter and presumably breed at northern latitudes where food and shelter are available throughout winter, tolerating moderately cold winter temperatures. [26] [117]

Hendry, Lisa (2023). "Are birds the only surviving dinosaurs?". The Trustees of The Natural History Museum, London . Retrieved 14 April 2023. Bleiweiss, R.; Kirsch, J.A.; Matheus, J.C. (1997). "DNA hybridization evidence for the principal lineages of hummingbirds (Aves:Trochilidae)". Molecular Biology and Evolution. 14 (3): 325–343. doi: 10.1093/oxfordjournals.molbev.a025767. PMID 9066799. The total spinning time of a top is generally increased by increasing its moment of inertia and lowering its center of gravity. [7] These variables however are constrained by the need to prevent the body from touching the ground. Bochenski, Zygmunt; Bochenski, Zbigniew M. (1 April 2008). "An Old World hummingbird from the Oligocene: a new fossil from Polish Carpathians". Journal of Ornithology. 149 (2): 211–216. doi: 10.1007/s10336-007-0261-y. ISSN 2193-7206. S2CID 22193761. Hummingbirds are the smallest known and smallest living avian therapod dinosaurs. [10] [11] [12] The iridescent colors and highly specialized feathers of many species (mainly in males) give some hummingbirds exotic common names, such as sun gem, fairy, woodstar, sapphire or sylph. [13] Morphology [ edit ]Barrier Angler | Bomb Ghost | Crystal Head | Dive Bat | Eleki Angler | Kaizoku Bomb | Kaizoku Glider | Kaizoku Gun | Kaizoku Hogan | Kaizoku Hover Bomb | Kaizoku Hover Gunner | Kaizoku Skeleton | Kaizoku Snowball | Kaizoku Sword | Nibbles | Ptera | Rapid Crab | Shisaku-gata Dump | Shisaku-gata Jet | Shisaku-gata Spanner | Skull Fire | Sky Moon | Triceratank