Sievert Rohwer
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View article: DESCRIPTIONS OF JAVANESE BRACONIDAE (HYM.) RECEIVED FROM Mr. S. LEEFMANS
DESCRIPTIONS OF JAVANESE BRACONIDAE (HYM.) RECEIVED FROM Mr. S. LEEFMANS Open
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View article: Interspecific forced copulations generate most hybrids in broadly sympatric ducks
Interspecific forced copulations generate most hybrids in broadly sympatric ducks Open
Although rare, hybrids are more common in broadly sympatric waterfowl than in any other avian family; yet, the behavioral ecology explaining their generation has remained controversial. Leading hypotheses are forced interspecific copulatio…
View article: Selection on a small genomic region underpins differentiation in multiple color traits between two warbler species
Selection on a small genomic region underpins differentiation in multiple color traits between two warbler species Open
Speciation is one of the most important processes in biology, yet the study of the genomic changes underlying this process is in its infancy. North American warbler species Setophaga townsendi and Setophaga occidentalis hybridize in a stab…
View article: Despotic aggression in pre-moulting painted buntings
Despotic aggression in pre-moulting painted buntings Open
Aggression in territorial social systems is easy to interpret because the benefits of territorial defence mostly accrue to the territorial holder. However, in non-territorial systems, high aggression seems puzzling and raises intriguing ev…
View article: Hormone data from Despotic aggression in pre-moulting painted buntings
Hormone data from Despotic aggression in pre-moulting painted buntings Open
This file contains all data on DHEA we present in the manuscript
View article: Selection on a pleiotropic color gene block underpins early differentiation between two warbler species
Selection on a pleiotropic color gene block underpins early differentiation between two warbler species Open
When one species gradually splits into two, divergent selection on specific traits can cause peaks of differentiation in the genomic regions encoding those traits. Whether speciation is initiated by strong selection on a few genomic region…
View article: Cross‐decades stability of an avian hybrid zone
Cross‐decades stability of an avian hybrid zone Open
Hybrid zones are particularly valuable for understanding the evolution of partial reproductive isolation between differentiated populations. An increasing number of hybrid zones have been inferred to move over time, but in most such cases …
View article: Cryptic and extensive hybridization between ancient lineages of American crows
Cryptic and extensive hybridization between ancient lineages of American crows Open
Most species and therefore most hybrid zones have historically been described using phenotypic characters. However, both speciation and hybridization can occur with negligible morphological differentiation. The Northwestern Crow ( Corvus c…
View article: Peer Review #2 of "Primary molt in Gruiforms and simpler molt summary tables (v0.1)"
Peer Review #2 of "Primary molt in Gruiforms and simpler molt summary tables (v0.1)" Open
Molt summary tables reveal the sequence and mode of flight-feather replacement and how these feathers are divided into independent replacement series.Tables for summarizing molt are relatively new, and the rules for generating them were fi…
View article: Peer Review #3 of "Primary molt in Gruiforms and simpler molt summary tables (v0.2)"
Peer Review #3 of "Primary molt in Gruiforms and simpler molt summary tables (v0.2)" Open
Molt summary tables reveal the sequence and mode of flight-feather replacement and how these feathers are divided into independent replacement series.Tables for summarizing molt are relatively new, and the rules for generating them were fi…
View article: Peer Review #3 of "Primary molt in Gruiforms and simpler molt summary tables (v0.1)"
Peer Review #3 of "Primary molt in Gruiforms and simpler molt summary tables (v0.1)" Open
Molt summary tables reveal the sequence and mode of flight-feather replacement and how these feathers are divided into independent replacement series.Tables for summarizing molt are relatively new, and the rules for generating them were fi…
View article: Primary molt in Gruiforms and simpler molt summary tables
Primary molt in Gruiforms and simpler molt summary tables Open
Molt summary tables reveal the sequence and mode of flight-feather replacement and how these feathers are divided into independent replacement series. Tables for summarizing molt are relatively new, and the rules for generating them were f…
View article: Primary molt in <i>Psophia</i> and simpler molt summary tables
Primary molt in <i>Psophia</i> and simpler molt summary tables Open
Molt summary tables reveal the sequence and mode of flight feather replacement and how these feathers are divided into independent replacement series. These tables are relatively new, and the first illustration for generating molt summary …
View article: Primary molt in <i>Psophia</i> and simpler molt summary tables
Primary molt in <i>Psophia</i> and simpler molt summary tables Open
Molt summary tables reveal the sequence and mode of flight feather replacement and how these feathers are divided into independent replacement series. These tables are relatively new, and the first illustration for generating molt summary …
View article: Breeding and multiple waves of primary molt in common ground doves of coastal Sinaloa
Breeding and multiple waves of primary molt in common ground doves of coastal Sinaloa Open
For adult Common Ground Doves from Sinaloa we demonstrate that the primaries are a single molt series, which sometimes feature two (in one case three) waves of feather replacement. Such stepwise primary replacement is found in many large b…
View article: Peer Review #2 of "Breeding and multiple waves of primary molt in common ground doves of coastal Sinaloa (v0.1)"
Peer Review #2 of "Breeding and multiple waves of primary molt in common ground doves of coastal Sinaloa (v0.1)" Open
For adult Common Ground Doves from Sinaloa we demonstrate that the primaries are a single molt series, which sometimes feature two (in one case three) waves of feather replacement.Such stepwise primary replacement is found in many large bi…
View article: Peer Review #1 of "Assessing migration patterns in Passerina ciris using the world’s bird collections as an aggregated resource (v0.1)"
Peer Review #1 of "Assessing migration patterns in Passerina ciris using the world’s bird collections as an aggregated resource (v0.1)" Open
Natural history museum collections (NHCs) represent a rich and largely untapped source of data on demography and population movements.NHC specimen records can be corrected to a crude measure of collecting effort and reflect relative popula…
View article: Assessing migration patterns in <i>Passerina ciris</i> using the world’s bird collections as an aggregated resource
Assessing migration patterns in <i>Passerina ciris</i> using the world’s bird collections as an aggregated resource Open
Natural history museum collections (NHCs) represent a rich and largely untapped source of data on demography and population movements. NHC specimen records can be corrected to a crude measure of collecting effort and reflect relative popul…
View article: Assessing migration patterns in <i>Passerina ciris</i> using the world’s bird collections as an aggregated resource
Assessing migration patterns in <i>Passerina ciris</i> using the world’s bird collections as an aggregated resource Open
Natural history museum collections (NHCs) represent a rich and largely untapped source of data on demography and population movements. NHC specimen records can be corrected to a crude measure of collecting effort and reflect relative popul…
View article: Assessing migration patterns in <i>Passerina ciris</i> using the world’s bird collections as an aggregated resource
Assessing migration patterns in <i>Passerina ciris</i> using the world’s bird collections as an aggregated resource Open
Natural history museum collections (NHCs) represent a rich and largely untapped source of data on demography and population movements. NHC specimen records can be corrected to a crude measure of collecting effort and reflect relative popul…
View article: Irrigation and avifaunal change in coastal Northwest Mexico: has irrigated habit attracted threatened migratory species?
Irrigation and avifaunal change in coastal Northwest Mexico: has irrigated habit attracted threatened migratory species? Open
Irrigation in desert ecosystems can either reduce or increase species diversity. Groundwater pumping often lowers water tables and reduces natural wetlands, whereas canal irrigation often creates mesic habitat, resulting in great increases…
View article: Irrigation and avifaunal change in Coastal Northwest Mexico: Has irrigated habit attracted threatened migratory species?
Irrigation and avifaunal change in Coastal Northwest Mexico: Has irrigated habit attracted threatened migratory species? Open
Irrigation in desert ecosystems can either reduce or increase species diversity. Groundwater pumping often lowers water tables and reduces natural wetlands, while canal irrigation often creates mesic habitat, resulting in great increases i…
View article: Irrigation and avifaunal change in Coastal Northwest Mexico: Has irrigated habit attracted threatened migratory species?
Irrigation and avifaunal change in Coastal Northwest Mexico: Has irrigated habit attracted threatened migratory species? Open
Irrigation in desert ecosystems can either reduce or increase species diversity. Groundwater pumping often lowers water tables and reduces natural wetlands, while canal irrigation often creates mesic habitat, resulting in great increases i…
View article: Peer Review #2 of "Chronologically sampled flight feathers permits recognition of individual molt-migrants due to varying protein sources (v0.1)"
Peer Review #2 of "Chronologically sampled flight feathers permits recognition of individual molt-migrants due to varying protein sources (v0.1)" Open
This is a proof of concept paper based on chronological samples of growing feathers from geese thought to be molt-migrants.When molt-migrant birds initiate molt shortly after migrating to a new isoscape, isotope values measured along the l…
View article: Chronologically sampled flight feathers permits recognition of individual molt-migrants due to varying protein sources
Chronologically sampled flight feathers permits recognition of individual molt-migrants due to varying protein sources Open
This is a proof of concept paper based on chronological samples of growing feathers from geese thought to be molt-migrants. When molt-migrant birds initiate molt shortly after migrating to a new isoscape, isotope values measured along the …