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Did you mean calcutta') (15,148 results)?
Temporal stability of the hybrid zone between Calocitta magpie-jays revealed through comparison of museum specimens and iNaturalist photos.
Pizarro AK, DeRaad DA, McCormack JE. Pizarro AK, et al. Ecol Evol. 2023 Mar 15;13(3):e9863. doi: 10.1002/ece3.9863. eCollection 2023 Mar. Ecol Evol. 2023. PMID: 36937059 Free PMC article.
There are relatively few studies that have comparable modern and historic sampling to assess change in hybrid zone location and width over time, and those studies have generally found mixed results, with many hybrid zones showing change over time, but others showing stability. Th …
There are relatively few studies that have comparable modern and historic sampling to assess change in hybrid zone location and width over t …
Molecular systematics and evolution of the Cyanocorax jays.
Bonaccorso E, Peterson AT, Navarro-Sigüenza AG, Fleischer RC. Bonaccorso E, et al. Mol Phylogenet Evol. 2010 Mar;54(3):897-909. doi: 10.1016/j.ympev.2009.11.014. Epub 2009 Dec 3. Mol Phylogenet Evol. 2010. PMID: 19931623
Phylogenetic relationships were studied in the genus Cyanocorax (Aves: Corvidae) and related genera, Psilorhinus and Calocitta, a diverse group of New World jays distributed from the southern United States south to Argentina. ...Although multiple taxonomic arrangements are …
Phylogenetic relationships were studied in the genus Cyanocorax (Aves: Corvidae) and related genera, Psilorhinus and Calocitta, a div …
Reverse sex-biased philopatry in a cooperative bird: genetic consequences and a social cause.
Berg EC, Eadie JM, Langen TA, Russell AF. Berg EC, et al. Mol Ecol. 2009 Aug;18(16):3486-99. doi: 10.1111/j.1365-294X.2009.04284.x. Epub 2009 Jul 16. Mol Ecol. 2009. PMID: 19627491
We used estimates of genetic relatedness as well as likelihood-based methods to reconstruct social group composition and examine sex biases in dispersal in a Costa Rican population of white-throated magpie-jays (Calocitta formosa, Swainson 1827), one of the few birds sugge …
We used estimates of genetic relatedness as well as likelihood-based methods to reconstruct social group composition and examine sex biases …
A multilocus phylogeny of New World jay genera.
Bonaccorso E, Peterson AT. Bonaccorso E, et al. Mol Phylogenet Evol. 2007 Feb;42(2):467-76. doi: 10.1016/j.ympev.2006.06.025. Epub 2006 Jul 18. Mol Phylogenet Evol. 2007. PMID: 16971144
The combined phylogenetic analysis supports the basal position of Cyanolyca to all other NWJs, a (Cyanocorax (Calocitta, Psilorhinus)) clade, and a ((Cyanocitta, Aphelocoma) Gymnorhinus) clade that agrees with a novel morphological synapomorphy uniting Cyanocitta and Aphel …
The combined phylogenetic analysis supports the basal position of Cyanolyca to all other NWJs, a (Cyanocorax (Calocitta, Psilorhinus) …
Dynamics and phylogenetic implications of MtDNA control region sequences in New World Jays (Aves: Corvidae).
Saunders MA, Edwards SV. Saunders MA, et al. J Mol Evol. 2000 Aug;51(2):97-109. doi: 10.1007/s002390010070. J Mol Evol. 2000. PMID: 10948266
However, contrary to conventional taxonomy, the CR data set suggested that blue and black jays (Cyanocorax sensu lato) might be paraphyletic and that the brown jay Psilorhinus (=Cyanocorax) morio is the sister group to magpie jays (Calocitta), a phylogenetic hypothesis tha …
However, contrary to conventional taxonomy, the CR data set suggested that blue and black jays (Cyanocorax sensu lato) might be paraphyletic …
Signaling for food and sex? Begging by reproductive female white-throated magpie-jays.
Ellis JM, Langen TA, Berg EC. Ellis JM, et al. Anim Behav. 2009 Sep;78(3):615-623. doi: 10.1016/j.anbehav.2009.05.024. Anim Behav. 2009. PMID: 23293376 Free PMC article.
We propose eight functional hypotheses for begging in adults; these stem from observations in birds but apply broadly to other taxa in which begging occurs. Adult cooperatively-breeding white-throated magpie-jays (Calocitta formosa) use loud begging vocalizations, particul …
We propose eight functional hypotheses for begging in adults; these stem from observations in birds but apply broadly to other taxa in which …
New data on the taxonomy and distribution of ten Neotropical chewing lice of the genus Myrsidea (Phthiraptera: Menoponidae), including the description of a new species.
Kolencik S, Sychra O, Valan M, Literak I. Kolencik S, et al. Zootaxa. 2016 Mar 2;4085(2):233-47. doi: 10.11646/zootaxa.4085.2.4. Zootaxa. 2016. PMID: 27394300
Redescriptions and illustrations are given for both sexes of Myrsidea chiapensis ex Calocitta formosa from Costa Rica, and the male of M. dissimilis ex Progne chalybea from Brazil. ...
Redescriptions and illustrations are given for both sexes of Myrsidea chiapensis ex Calocitta formosa from Costa Rica, and the male o …
Skrjabinura gnedina, 1933 (Nematoda: Seuratoidea: Seuratidae), in birds from the area de conservacion Guanacaste, Costa Rica with description of a new species.
Zhang L, Brooks DR. Zhang L, et al. J Parasitol. 2005 Apr;91(2):441-5. doi: 10.1645/GE-3329. J Parasitol. 2005. PMID: 15986622
Skrjabinura mesoamericana n. sp. inhabits Dendrocincla homochroa, Calocitta formosa, Dendrocolaptes certhia, Basileuterus rufifrons, and Chordeiles acutipennis. ...
Skrjabinura mesoamericana n. sp. inhabits Dendrocincla homochroa, Calocitta formosa, Dendrocolaptes certhia, Basileuterus rufifrons, …