Tit (bird)

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Tit
Crested tit in Scotland
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Infraorder: Passerida
Family: Paridae
Vigors, 1825
Genera

5–10, see text.

Global range (In green)
Synonyms

See text

The tits,

titmice constitute the Paridae, a large family of small passerine birds which occur mainly in the Northern Hemisphere and Africa
. Most were formerly classified in the genus Parus.

Members of this family are commonly referred to as "tits" throughout much of the English-speaking world, but North American species are called either "chickadees" (

Proto-Germanic *maison, Dutch mees, German Meise), and tit, denoting something small. The former spelling, "titmose", was influenced by mouse in the 16th century.[2] Emigrants to New Zealand presumably identified some of the superficially similar birds of the genus Petroica of the family Petroicidae, the Australian robins, as members of the tit family, giving them the title tomtit
, although, in fact, they are not related.

These birds are mainly small, stocky, woodland species with short, stout bills. Some have crests. They range in length from 10 to 22 cm (3.9 to 8.7 in). They are adaptable birds, with a mixed diet including seeds and insects.[3] Many species live around human habitation and come readily to bird feeders for nuts or seed, and learn to take other foods.

Description

With the exception of the three monotypic genera Sylviparus, Melanochlora, and Pseudopodoces, the tits are extremely similar in appearance, and have been described as "one of the most conservative avian families in terms of general morphology".[4] The typical body length of adult members of the family is between 10 and 16 cm (3.9 and 6.3 in) in length; when the monotypic genera are added, this range is from 9 to 21 cm (3.5 to 8.3 in). In weight, the family ranges from 5 to 49 g (0.18 to 1.73 oz); this contracts to 7 to 29 g (0.25 to 1.02 oz) when the three atypical genera are removed. The majority of the variation within the family is in plumage, and particularly colour.[5]

The

Hume's ground tit of Tibet and the Himalayas, which is long and decurved.[5]

Distribution and habitat

The tufted titmouse is restricted to North America.

The tits are a widespread family of birds, occurring over most of Europe, Asia, North America, and Africa. The genus Poecile occurs from Europe through Asia into North America, as far south as southern Mexico. American species in this genus are known as chickadees. Some species in this genus have quite large natural distributions; one, the grey-headed chickadee, is distributed from Scandinavia to Alaska and Canada. The majority of the tits in the genus Periparus are found in the southeastern portion of Asia. This includes two species endemic to the Philippines. The coal tit, also in this genus, is a much more widespread species, ranging from the British Isles and North Africa to Japan. The two crested tits of the genus Lophophanes have a disjunct distribution, with one species occurring in Europe and the other in central Asia.[5]

The genus

Melanochlora, are all restricted to Asia.[5]

Behaviour

Tits are active, noisy, and social birds. They are

mixed-species feeding flocks during the nonbreeding season. The tits are highly adaptable, and after the corvids (crows and jays) and parrots, amongst the most intelligent of all birds.[5]

Fission–fusion society

Fission–fusion society has been documented in a number of avian taxa including this one.[7][8][9] In brief, that means flocks can split into smaller groups or individuals, and subsequently reunite.

Vocalisations

A great tit calling in Finland.

The tits make a variety of calls and songs. They are amongst the most vocal of all birds, calling continuously in most situations, so much so that they are only ever silent for specific reasons such as avoiding predators or when intruding on a rival's territory. Quiet contact calls are made while feeding to facilitate cohesion with others in their social group.[5] Other calls are used for signalling alarm—a well-known example being the "chic-a-dee-dee" of North American species in the genus Poecile, the call which gives them their local common name, the chickadee. The call also serves as a rallying call to summon others to mob and harass the predator. The number of "dee" syllables at the end of the call increases with the level of danger the predator poses.[10]

Diet and feeding

Hold-hammering is a common way for the family to deal with food items.
Blue tit
with prey item

The tits are generalist

insectivores that consume a wide range of small insects and other invertebrates, particularly small defoliating caterpillars. They also consume seeds and nuts, particularly in the winter. One characteristic method of foraging in the family is hanging, where they inspect a branch or twig and leaves from all angles while hanging upside down to feed.[5] In areas where numerous species of tit coexist, different species forage in different parts of the tree, their niche determined in no small way by their morphology; larger species forage on the ground, medium-sized species foraging on larger branches, and the smallest species on the ends of branches. Having obtained larger prey items or seeds, tits engage in hold-hammering, where they hold the item between their feet and hammer it with their bill until it opens. In this fashion, they can even open hazelnuts in around 20 minutes. A number of genera engage in food caching, hoarding supplies of food during the winter.[11]

Breeding

Tits are cavity-nesting birds, typically using trees, although Pseudopodoces[12] builds a nest on the ground. Most tree-nesting tits excavate their nests,[13] and clutch sizes are generally large for altricial birds, ranging from usually two eggs in the rufous-vented tit of the Himalayas to as many as 10 to 14 in the blue tit of Europe.[14][15] In favourable conditions, this species had laid as many as 19 eggs, which is the largest clutch of any altricial bird.[3] Most tits are multibrooded, a necessary strategy to cope with either the harsh winters in which they reside in the Holarctic or the extremely erratic conditions of tropical Africa,[15] where typically a single pair cannot find enough food to rear even one nestling and in drought years breeding is likely to be futile.

Many African tit species, along with Pseudopodoces, are

cooperative breeders,[16] and even pair-breeding parids are often highly social and maintain stable flocks throughout the nonbreeding season.[17]

Tits also have a variety of methods for attracting mates, primarily through their intricate, bouncing mating dance. Only the blue tit is typically polygynous; all other species are generally monogamous.[18] Courtship feeding is typical of pair-breeding tits to deal with the cost of rearing their large broods.

Systematics

The marsh tit was once placed in the genus Parus, but has now been moved to the genus Poecile.

Recently, the large Parus group has been gradually split into several genera (as indicated below), initially by

sequence analysis, and Parus is best restricted to the Parus major—Parus fasciiventer clade, and even the latter species' closest relatives might be considered a distinct genus.[20]

In the

Sibley-Ahlquist taxonomy, the family Paridae is much enlarged to include related groups such as the penduline tits and long-tailed tits, but while the former are quite close to the tits and could conceivably be included in that family together with the stenostirid "warblers", the long-tailed tits are not. Indeed, the yellow-browed tit and the sultan tit are possibly more distant to the tits than the penduline tits are.[20][21] If the two current families are lumped into the Paridae, the tits would be a subfamily
Parinae.

Alternatively, all tits—save the two monotypic genera discussed in the preceding section and possibly Cyanistes, but including Hume's ground tit—could be lumped in Parus. In any case, four major clades of "typical" tits can be recognized: the dark-capped chickadees and their relatives (Poecile including Sittiparus), the long-crested Baeolophus and Lophophanes species, the usually tufted, white-cheeked Periparus (including Pardaliparus) with more subdued coloration and finally Parus sensu stricto (including Melaniparus and Machlolophus). Still, the interrelationship of these, as well as the relationships of many species within the clades, are not well-resolved at all; analysis of morphology and biogeography probably gives a more robust picture than the available molecular data.[20]

Tits have settled North America twice, probably at some time during the Early-Mid Pliocene. The first were the ancestors of Baeolophus, with chickadees arriving somewhat later.[20]

Species in taxonomic order

 

Remizidae

 

Cephalopyrus flammiceps

 

Sylviparus modestus

 

Melanochlora sultanea

 
 
 

Cyanistes

 
 
 

Pseudopodoces

 

Parus monticolus

Parus major

Machlolophus

Melaniparus

Phylogeny of the Paridae based on Johansson et al. 2013[22]
Tit in a winter tree
Four different tits, although the top-right bird, the long-tailed tit, is not a member of the Paridae

Family: PARIDAE[23]

Image Genus Living species
Cephalopyrus
 Bonaparte, 1854
Sylviparus
 Burton, 1836
Melanochlora
 Lesson, 1839
Periparus Sélys Longchamps, 1884
Pardaliparus Sélys Longchamps, 1884
Lophophanes Kaup, 1829
Baeolophus Cabanis, 1850
Sittiparus Selys-Longchamps, 1884
Poecile Kaup, 1829
Cyanistes Kaup, 1829
Pseudopodoces
 Zarudny & Loudon, 1902
Parus Linnaeus, 1758
Machlolophus Cabanis, 1850
Melaniparus Bonaparte, 1850

References

  1. ^ The Merriam-Webster New Book of Word Histories. Springfield, MA, USA: Merriam-Webster. 1991. p. 362.
    ISBN 0-87779-603-3
    .
  2. ^ Douglas Harper (© 2001-2015). "titmouse (n.)". Online Etymology Dictionary. Retrieved 2015-04-28.{{cite web}}: CS1 maint: numeric names: authors list (link)
  3. ^
    ISBN 1-85391-186-0
    .
  4. ^ Gosler & Clement (2007) P.669
  5. ^
    ISBN 978-84-96553-42-2
    .
  6. ^ "Great Tits May be Evolving Bigger Beaks. Here's Why". 19 October 2017. Archived from the original on October 20, 2017.
  7. PMID 26078368
    .
  8. S2CID 3400989.[dead link
    ]
  9. ^ admin (2022-08-15). "Tufted Titmouse - Best Facts 2022". Birds At First Sight. Retrieved 2022-09-30.
  10. S2CID 42276496
    .
  11. JSTOR 1939354
    .
  12. ^ "Pseudopodoces humilis, a misclassified terrestrial tit (Paridae) of the Tibetan Plateau: evolutionary consequences of shifting adaptive zones"[permanent dead link]
  13. ^ Mönkkönen, Mikko and Orell, Markku; "Clutch Size and Cavity Excavation in Parids (Paridae): The Limited Breeding Opportunities Hypothesis Tested" in The American Naturalist, Vol. 149, No. 6 (June 1997), pp. 1164–1174
  14. ^ "List of Species and Data Sources Used for Geographic Distributions and Data on Clutch Sizes and Intrinsic Variables"
  15. ^
    ISBN 9780125173667
  16. doi:10.1111/j.1474-919X.2011.01115.x
    .
  17. ^ Stacey, Peter B. and Ligon, J. David; "The Benefits-of-Philopatry Hypothesis for the Evolution of Cooperative Breeding: Variation in Territory Quality and Group Size Effects" in The American Naturalist, Vol. 137, No. 6 (Jun., 1991), pp. 831–846
  18. PMC 1688915
    .
  19. ISBN 0-7136-3964-4
  20. ^
    S2CID 86067032
    .
  21. S2CID 84542347
    .
  22. PMID 23831453
    .
  23. ^ Gill, Frank; Donsker, David (eds.). "Waxwings and their allies, tits & penduline tits". World Bird List Version 6.1. International Ornithologists' Union. Retrieved 15 February 2016.
  24. ^ James, H. F. et al. (2003). Pseudopodoces humilis, a misclassified terrestrial tit (Paridae) of the Tibetan Plateau: evolutionary consequences of shifting adaptive zones. Ibis 145: 185–202.pdf file Archived 2006-09-21 at the Wayback Machine

External links

Wikimedia Commons has media related to Paridae.
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