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Description and analysis about birds records at 'Sistema Nacional de Información sobre Biodiversidad' from CONABIO. Insights: main state and municipality with birds records, ecosystem kind in the birds record area, months record, and social-economic description the municipality and state.

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Bird picture

Project: Birds records analysis from Mexico

Francisco Javier Gutierrez-Martinez v2024.02

Abstract

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Table of content




Technical and source information

Database

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  • Description: Database birds record identified in United Mexico States between the years 1750 to 2022.
  • Source: CONABIO
  • Sources: Landing page data | Database_birds | Metadata
  • Format: CSV
  • Published: 07-02-2024 [07-february-2024]
  • METADATA
    • Published: 07-02-2024
  • Shape:
    • 21,561,538 : 67
  • Size: 573 MB
    • Format: parquet
    • Comments: The final database size describe above is after filtered. Uncompressed original csv file size is around 27 GB

Shape files

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Software

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  • Docker desktop 27.3.1
    • Conda 24.9.1
    • Pyspark 3.5.3
    • python 3.11.10
    • pandas 2.0.3
    • matplot-base 3.9.2
    • seaborn-base 0.13.2
    • Jupyterlab 4.2.5
  • QGIS Desktop 3.34.11
  • git 2.47.0

Disclaimer

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This is a personal project involving the analysis of a bird observation database for academic, research, and testing purposes. In this context:

  • This report has not undergone peer review, nor has it been rigorously checked for style or grammar.
  • The content, including plots, queries, and the report itself, is subject to change in future versions. Remember, this is a personal project released for public viewing. -It can serve as an introductory reference for further research on bird populations in Mexico. However, for precise or detailed inquiries beyond this project's scope, please refer to the original dataset.
  • There may be minor errors or inconsistencies in text, data, and visualizations, which will be corrected in future updates as needed.

Liability Limitation: The author assumes no responsibility for any decisions, actions, or interpretations made based on this report. It is provided "as-is" without any guarantees of accuracy or completeness.

Acknowledgment of Preliminary Nature: This project is a work-in-progress and is not intended as a final, authoritative source. Future versions may improve upon any existing errors, data representations, or interpretations.

Note: This project reflects an ongoing interest in the subject and is not intended to serve as a definitive paper.

Scope

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The report focuses on general information about bird species in Mexico. In this context:

  • The United Mexican States (Mexico, henceforth) is the main and sole country analyzed for bird records.
  • The statistics are general; they do not include machine learning (ML) projections about population trends or cross-references with other datasets.
  • GIS files are created to plot and analyze behaviors, records, and general information.

Data exploration

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According to the biology, the birds classification using taxonomy goes from kingdom, to phylum, to class, to order, to family, to genus, to species. This classification is used focus in the "specie" feature as key to filter dataset from CONABIO. The taxonomy data from this dataset is:

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Aves
  • Order: 29
  • Family: 109
  • Genus: 552
  • Species: 2930

Species identifieds

Bird record geographically from 33 states and 2174 municipalities from Mexico. From 2930 birds species identifieds, three first state with highest species records are: Chiapas, Oaxaca, Veracruz de Ignacio de la Llave. Versus Guanajuato, Aguascalientes and Tlaxcala, the lowest records of birds in the sates. This information gives general view about the biodiversity in the country, relate it with the environment present in each place. Meanwhile the number or record of birds in general the first three states are: Veracruz de Ignacio de la Llave, Chiapas and Nayarit. The lowest record of birds is Aguascalientes, Tlaxcala and Zacatecas. Plot birds species recorded in Mexico

Visually, the species location in Mexico is showing in the map grouped by state. The PBRA-SBI-1 folder contain the dataset. Plot map of species by state

Common name

The birds species identified according to taxonomy can be added a new feature, the "common name". Requesting this feature to the persons, gives information about lossing the names of birds, changing or forgeting. Showing the importances gives the people to the environment and biodiversity. Some local knowledge can be resqueted or just going to lossed. The importance of resqueted must be evaluated by multidisciplinary team included local specialists, the scope, goals and final use of the information.

The analyzed dataset about the common names gives the three main name identified in the records, which are: Zanate mayor, zopilote aura and paloma alas blancas; the less common name are: petrel de Bulwer, lavandera amarilla, golondrina grande and other birds species identifieds with less two records. PBRA-SBCN-1

Plot common name of birds species in Mexico

The birds common name analyzed cover Mexico, the map showing the unique location of names where was identified in the projects for birds observations. Plot map common name of birds species in Mexico

Note: The common name for two or more species can be same, because the people identified the birds like unique, or by lossing the knowledge about to recognize birds species.

Environments

Consider environment as the place where is common to found the birds, startin in highest mountains to the coast. In Mexico has identified 8 environment, in the table showing the number species recorded in each one.

Environment Species identified
Terrestre 832
Dulceacuícola 38
Dulceacuícola; Terrestre 11
Marino; Salobre 9
Marino 7
Dulceacuícola; Marino; Salobre 2
Dulceacuícola; Salobre 2
Dulceacuícola; Marino 1

The query show mainly land birds in the dataset, which are common identified in birds observations, including "Dulceacuícola" and "Dulceacuícola; Terrestre " environment, with less records is "Dulceacuícola; Marino" environment with just one specie. In a way this result showing where put more effort for research and identified the reason of this behavior of data.
The first three state with eight environments are: Quintana Roo, Guerrero, Nayarit. State with less environments (3) are: Aguascalientes, Tlaxcala and Morelos.

Plot of environments by state in Mexico

The total number of records by state with environment validated is showing in the plot. Considering the information it can be assumed high participation of the people, academic projects or long time running civil observation birds projects. Plot total birds recorded in the each state and environment

Until now, the birds information show different variables must be to considering to following birds research, a technique can be added is the crossing the data about the environments and birds species. Stacking the data gives visual output about the main environments in the states with more species identified. PBRA-SBSE-1
Plot number species by state and environment
According to the plot, Oaxaca, Chiapas and Veracruz de Ignacio de la Llave are the main states with birds species identified in the environments listed. As show in the above table "Terrestre" and "Dulceacuícola" are predominant. The left categories in minus scope and diversity.

Endemic birds species

Considering endemic species like "something is restricted to a specific geographic area and is not found naturally anywhere else in the world."[sciencedirect endemic] Applying the definition to birds, is linked to a place. For dataset analysis present three modes: cuasiendémica, semiendémica, endémica. The first one are the species which cross the geographic limit defined for the bird of 35 km^2^. Semiendémica are temporal species identifieds in a place and change location in seasons, migration birds. Endémica, is a species located in a specific geographic area.
In the dataset the endemic birds species are concentrate in this way [PBRA-SBEN-1]:

Endemism Species
Cuasiendémica 42
Semiendémica 45
Endémica 178

Considering this information, the endemic distribution in Mexico by state is how showing in the plot. Plot bar endemic birds in Mexico

Complementary to the distribution of endemic birds, the next map showing the main location of the species in the country, there can view the geographic area of the records. The points are unique bird species, not is a way to show bird motion in the places, just a guide where are located. Plot map endemic birds in Mexico

Crossing data of endemic birds (endémica) and environments, show four states with more endemic birds: Oaxaca, Jalisco, Guerrero and Michoacán de Ocampo. With less endemic are: Baja California, Campeche and Tabasco. Majority of the species are land birds, just a few birds identifieds in others. [PBRA-SBEBSE-1] Plot birds by state and environment

Exotic-invasive birds species

In Mexico there is fourteen exotic-invasice species, from the total, just two are not identified with common name. The species exclude are: Cyanoliseus patagonus, Psittacula krameri.

Valid specie Common name Total record
Passer domesticus gorrión casero, gorrión doméstico 202278
Streptopelia decaocto paloma de collar turca, tórtola de collar 151930
Columba livia paloma doméstica 138354
Bubulcus ibis garza ganadera 111054
Sturnus vulgaris estornino pinto 32046
Myiopsitta monachus perico monje argentino 22242
Phasianus colchicus faisán de collar 1384
Lonchura malacca capuchino tricolor 456
Lonchura punctulata capuchino pecho escamoso 322
Streptopelia roseogrisea paloma de collar africana 68
Streptopelia chinensis paloma ala dorada, paloma de oriente 64
Molothrus bonariensis tordo común, tordo sudamericano 22
Cyanoliseus patagonus 12
Psittacula krameri 6

By state the number of exotic-invasive bird species is different, Baja California is the state with high number, with eleven species, meanwhile Tabasco and Colima with the low number with 5 species. In the plot show the complete series. [PBRA-SBEIS-1, PBRA-SBEIS-2]
![Plot exotic-invasive birdsplot/total_exotic_birds_species_by_state.png "Exotic-invasive birds species by state")

For geographic reference, the exotic-invasive birds are identified in the places show in the map.

Plot map exotic-invasive birds

Residence category

Residence category defined as residence type of birds in a geographic place, by season, observed or recorded. Mexico present 23 types of residence [PBRA-SBRC-1, Plot-Residence_category]:

Residence category of birds Species
Residente (R) 902
Migratoria de invierno (MI) 190
Residente (R); Migratoria de invierno (MI) 179
Accidental (A) 55
Transitoria (T) 33
Residente (R); Migratoria de invierno (MI); Migratoria de verano (MV) 31
Migratoria de invierno (MI); Migratoria de verano (MV) 23
Residente (R); Migratoria de verano (MV) 19
Migratoria de invierno (MI); Transitoria (T) 19
Accidental (A); Oceánica (O) 18
Transitoria (T); Oceánica (O) 15
Migratoria de verano (MV); Transitoria (T) 13
Residente (R); Oceánica (O) 12
Migratoria de verano (MV) 7
Residente (R); Transitoria (T); Oceánica (O) 6
Migratoria de invierno (MI); Migratoria de verano (MV); Transitoria (T) 5
Migratoria de invierno (MI); Oceánica (O) 4
Residente (R); Migratoria de invierno (MI); Oceánica (O) 3
Residente (R); Migratoria de invierno (MI); Transitoria (T) 2
Residente (R); Transitoria (T) 2
Residente (R); Migratoria de invierno (MI); Migratoria de verano (MV); Transitoria (T) 2
Migratoria de invierno (MI); Transitoria (T); Oceánica (O) 2

The higher number of residence category by state is 22, the lower 13. This information showing in the next plot. Plot category residence of birds Each state present biodiversity of birds, a reference of good forest conservation, ecosystems and community participation for birds observation projects. The following map showing the residence category by specie identified.
Plot map residence category of birds

Grouping the residence category by state using the species as key feature, show the trend about the birds in the places PBRA-SBRC-BS-1. Considering the rank in the plot, the first state with high birds record is Veracruz de Ignacio de la Llave, meanwhile Zacatecas is with low records. PBRA-SBRC-BSS-1 Plot map residence category of birds by state

Species with status

Species with status reference as birds with extintion risk, medium level or lower or a specific variant for species of interest. The status tag is defined by country government, universities, Non-Governmental Organization (NGO) or international agreement. For this section considering the Mexico status defined in the list NOM059, the NGO International Union for Conservation of Nature (IUC) and Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Each entity has defined a status list which apply for birds species in Mexico, the total status show in the table.

NOM059 status CITES status IUCN status
34 61 47

The scope of species for each list status tag is showing in the table.

List name Status tag Number species
NOM059 34 620
CITES 61 362
IUCN 47 2643

From the three status list, they share 189 birds specie [PBRA-BSES-1]. Visually in map, gives more geographic reference in the distribution of the species. Plot map bird species with risk status

Records by decades

The CONABIO dataset has initial record of birds from 1750 to 2022. Considering the large range of time was grouped by decades, getting general information about behavior recording of birds species showing in the next plot. [PBRA-BSRBD] Plot record bird species by decades

According to the latest plot, bird recordings reached their highest values in the 1940s and 1950s. This data reflects only the number of bird records, not unique species identified during that period. The trend in bird recordings rose again in the 2010s, with 1,925 unique species recorded.

Comparing the number of unique species identified per decade with the total number of bird records in the dataset reveals a peak in the 2010s, with 11,456,000 observations, compared to just 188,654 in the 1940s. While the 2010s saw 1,925 unique species, the 1940s accounted for 1,992. Various factors—such as observer expertise, location, environmental conditions, and others—may influence these figures. Plot birds records by decades

After to saw the record by decades, the months where the records was made is another trend and variable to consider in field observation. The dataset show a pick in the first three months: january to march, descending the records until june, on jule recover the trend increment records to december. [PBRA-BRRBD-M] Plot birds records by month

Collections

The collections are as books, a registry of bird specie example. The hierarchy in a collection start with the Country, to institutes, to collections and to species. In CONABIO dataset has registred this information:

COUNTRIES INSTITUTES COLLECTIONS SPECIES
25 110 157 2894

In general, detailing the last table using as main filter the country and sum of the other features we get this information:

COUNTRIES INSTITUTES COLLECTIONS SPECIES SPECIES RECORDED
ESTADOS UNIDOS DE AMERICA 53 81 2765 16318140
MEXICO 31 35 1831 4226650
HOLANDA 3 3 1520 31940
CANADA 7 8 1513 243932
REINO UNIDO 1 1 1031 36914
ESPAÑA 3 3 560 11188
FRANCIA 3 3 558 4636
PERU 1 1 354 2336
ARGENTINA 1 1 331 3146
TAIWAN 1 1 299 1406
AUSTRALIA 1 1 259 1184
BRASIL 3 3 251 1146
PORTUGAL 1 1 187 1160
COLOMBIA 1 1 173 746
CHILE 1 1 127 402
INDIA 1 1 119 416
PARAGUAY 1 1 48 138
SUECIA 1 1 22 310
ALEMANIA 5 5 19 46
MALASIA 1 1 18 36
NUEVA ZELANDA 1 1 17 36
DINAMARCA 1 1 13 56
NORUEGA 1 1 9 66
AUSTRIA 1 1 4 10
RUSIA 1 1 2 6

The last table is a general information about the collections, for detailed information for specific species, collection or any other feature can be check the dataset. [PBRA-BSCS-1]

Projects

The projects are the way to collect records about the birds in field. Some caracteristics of projects in the dataset are: not all the projects are linked to a country, institute or collection. This analysis is focus to projects with birds species validated. Following that directive, in two decades reached the highest values in the 1990s and 2010s. The effort to keep the birds observation and registry into collections or institutes, must be found a new way for effectivenes in time, resources, people, communication and publishing ways accesible. [PBRA-BSP-1] Plot projects by decade

Results

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  • Number of birds identified is changing according to the number of projects runned and strategy to generate the information in fields.
  • The highest number of records not always mean diversity of species identifieds. The strategy to collect and record the data must have different approach, include rural location, apply the new ML model available to analysis photos to fill the missing or NULL values in the dataset.

Conclusion

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  • The people do not know about the species with some risk status, the lossing the local knowledge about the environment, the birds name and endemic species. This result is based after cheking the official government website

About

Description and analysis about birds records at 'Sistema Nacional de Información sobre Biodiversidad' from CONABIO. Insights: main state and municipality with birds records, ecosystem kind in the birds record area, months record, and social-economic description the municipality and state.

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